Because you don’t train your self-hosted LLM.
As a result you only pay for the electricity of computing your tokens (your request), this can be especially reasonable if the same machine also does local game streaming and or transcoding, and thus already has the requirements to host a LLM.

If you don’t have rather unreasonable means, your local LLM is just very much more limited in parameters (size), and will not be as good as other, much larger models.

Privacy, Ethics and personal interest usually are the largest drivers from what I can tell.

I doubt that it’ll really have killer features.

You’ll most likely be able to exchange the 2 Hotend-Toolhead for a Laser-Hotend, it’ll have a heated AMS, it may have a vinyl-cutter head.

I don’t really think I’d want to Laser on my heated bed, or cut on it either. The Fumes from lasering will impact durability of anything in the printer, without really lots of ventilation it will produce lots of dust (well, ash).
Cutting on the same head is weird, as a cutter needs to resist a bit or cutting force.

The dual-nozzle-design is interesting, but I think it’s still vastly inferior to multiple toolheads, with anything over 2 materials there is still cutting required. Depending on how they solved the issue with feeding the two hotends, I’m not sure how there won’t be quite a bit of added complexity for loading the AMS, where you have to think which head needs which filament.
Using a single extruder gear for both hotends also increases chances and risk of cross-contamination. I’ve never had a printer who didn’t occasionally chew filament.
Moving the Hotends on linear rails, having a mechanical drop-stopper on the hotend all increase complexity, I’m not sure how bad blob of dooms will get here.

If they use their touted servo-design actually on the corexy kinematics, that will be interesting, because conventional wisdom says it doesn’t really improve 3d-printing performance. At least not until you get to ridiculous builds (think minuteman)

Cost will be interesting, as apparently the H2D was touted to “be above current X1 line”, if that were to include X1E and the $2500 price tag it would be… rather expensive.
But even when it’s “just” more expensive than the X1C at $1200/$1450, coming to… idk, $1500 in it’s bare configuration, that’s rather big chunk of change for a hobbyist. And they will (hopefully) have lost lots of enthusiasts with their firmware-stunt.

Something kinda cool that could theoretically be done would be print smoothing with the laser. Print it, change the tool, laser (at least) the stairstepping on top away.

I’ve had partial clogs that manifest like that.
Cold pulls (several) ended up resolving my issue.

my best explanation was, that there was some debris in the nozzle, which would sometimes (nearly) seal the nozzle, and at other times be retracted with the filament, get stuck somewhere else and filament flows freely.

Shining3D also makes professional-level scanners that cost as much as a car, so I banked on them putting some of that expertise into their consumer models and went with the Einstar.

Seems like you were correct.

hardware is fine. If you’re not experienced the 3000km will fuck you though. Stuff will arise where you will need to get at it.

I’ve been using two laptops als “servers” for years.
well, the first one died after about 6 years of use.
But I can get at them reasonably.

there isn’t a “best” really. Depends on your wants/needs.

for true Openness, I don’t think anything beats a Voron.
Prusa is great (good track record, good support, Hardware is not open anymore though, can work out of the box), but expensive.
plenty of others get you something largely decent for low prices (qidi, creality for example) but long term support seems likely to lack, and there are always reports of some issues for some and great results for others.

so hopefully they can maintain a sufficient market share to keep a sustainable business going

When the market grows, one can lose market share and still have a sustainable business ;).
You don’t even need a growth in revenue for sustainable businesses either.

If Prusa went under, I still think I would have a better chance of maintaining a functional printer than if e.g. I had a Bambu printer and they went under (although that does perhaps not seem so likely at the moment?).

That seems reasonable. Let’s not forget that Bambu only increased their Firmware-Feature update promise from 2 years (march 2025) to 4 years (march 2027) after community outcry.

btw (I do not know either way) did a bambu printer ever get a firmware feature like Input Shaping, Phase Stepping, Crash Detection etc. as an update? For example does their LIDAR now work on textured plates? (I think it didn’t in the beginning)

I think you have it down pretty well.

It’s not perfectly open Source. Upgradeability can be reasonably expected, it’s not the cheapest, but a very good option.

One more thing that could be considered is if one believes Prusa may die as a company. That would of course reduce the aspect of upgradeability. Personally I believe they are fine, and just growing slower (more organically? Than Bambu for example).

Also Bambu will bring out another printer in a similar timeframe as Core 1 will come out. Depending on priorities it can make sense to wait to compare the offerings.

But I don’t think, given your reasonig you’d be making a mistake if you could buy now.