Then I misread, sorry about that. The way you wrote made me think you thought they intentionally delisted your games or that you did something wrong.
I assure you, the quarantine message is still active, as I type this reply. It is the message I posted plus how old the project is, and from which countries/regions you connected. It's the standard message.
Projects are not quarantined randomly. They do have scanners and automated checks and whatnot. I dare say I do have a bit of experience on that topic. https://itch.io/t/3512426/itch-is-not-a-safe-place-do-not-download-things . And if you want to see an actual current malware, the one talked about here, is malware. https://itch.io/t/5525704/possible-plagiarism-issue-on-itchio-my-game-is-stolen . But the OP did not realize it at the time of complaint.