They'll jump if they want to. If it's any consolation, the dev for Boost (my Reddit app of choice before everything went down like it did) announced that he was going to make a Boost for Lemmy after commenting that he wouldn't. Perhaps the Infinity dev will come to a similar conclusion?

Infinity dev 200% should, I think I heard they wanted to move on to beginner level it for some reason and wonder why they even should when there are riches to be made running a free app with donations