sugarsweat

It does mean ignore in BE. To deem unimportant/not worth bothering with.

In my opinion the headline is unclear, possibly deliberately in order to engage clicks.

This is what they’re referring to: https://www.reddit.com/r/UNBGBBIIVCHIDCTIICBG/

UNBGBBIIVCHIDCTIICBG is an abbreviation for “Upvoted Not Because Girl, But Because It Is Very Cool; However, I Do Concede That I Initially Clicked Because Girl”.