I guess looking at things subjectively isn't a thing for people with Aspergers.
And to answer your question, it all depends. My guess would be whenever he stops reviewing things like Spongebob or anything else popular with his fanbase or someone new come in who appeases his fans better.
https://archive.today/NYemO
In other news, here's a new journal. Nothing all too interesting - because it's mainly about him not reviewing ponies - but Enter explains his rotating interests, and explains the meaning of "sperging out".
It's kinda TL; DR though.