Yeah, the last thing I remember about pillowfort is their security issues, and I hang out on Tumblr (a space it was designed as an alternative for). People weren't recommending it anymore after that, like they used to.
I tried it out before then, but it didn't hit for me. I've tried a million alternate ljs and tumblrs, so that says nothing about its quality. If you go on social media and no one wants to talk with you about what you want to talk about, it seems like a waste of time and effort.
It's a shame when independent projects like this close down, but if not enough people stepped up to help when help was needed, burnout was inevitable, and burnout can only be ignored for so long. Better to close it down like this than in a more dramatic way.
The type of people who went on pillowfort might actually be interested in fediverse alternatives. They'll reconnect on dreamwidth, probably, and post where they can be found. If Wafrn has what pillowfort users want and, more importantly, if their friends from there want to try it out with them, it could be a healthy boost of furries, lady fandom nerds, and lgbt+ people to the fediverse.