Their profiling system is based on content in the form of posts and comments, and they used AI to build it up in addition to user-submitted reports determining one's character -- and overall ideological alignment. Mods and admins would then use that information to determine if you are a candidate for banning.

mines was the same, until April the final account got banned. I heard early on in the year, that when it gives you the message "your account has been suspended for suspicious activity, change your password", when i did that the ban was lifted. they fixed that later on. im guessing its thier way of asking for your password to fish out a pattern to ban you with(like fingerprinting,browser, desktop specs.