If you have read https://itch.io/updates/update-on-nsfw-content, you'll see that there is no lie about them deleting games.
"Part of this review will see some pages being permanently removed from itch.io. Affected accounts will be notified via their account’s email address from our support address. You can reply to that email if you have any follow up questions."
I think we all need to be patient and understanding on the matter. It can be assumed that the situation was urgent and needed to be handled at haste. Even if it wasn't, it helps no one to criticize Itch for a situation people don't fully understand. The best you can do is ask for more information.