Es ist das englische en-prefix. Das Wort bedeutet genau das was du schreibst, die Plattform wird immer shittier, sie wird enshittified.

Good point, that means pizza moves up to place 2!

At least in sync there is the option to save comments and it works. You can afterwards find the comments in your profile. Not sure if it's a sync or a Lemmy feature though.

Edit: just checked and it's actually a Lemmy feature. You can just long press a comment and hit the star to save it.