Journal of Other Forum Analysis (Volume II, Issue 1)

[Uncle]

Avengers Endgame level of crossovers:

in case others are curious about the actual exploit:

https://kiwifarms.st/threads/bluesky.204745/post-20063296

tldr you set your username to something insanely long which is for some reason supported, reply to someone, and then the normal web view can't parse your username and errors out the whole post for all viewers