I have been banned by an automated system a bunch of times this year, maybe a dozen or more. I got most of those reversed on appeal.

Manual bans never get reversed on appeal.

They absolutely ban for keywords, but if you use this site to change your font, the bots can't see your text: https://lingojam.com/FancyTextGenerator

Using that site to launder any words I use that in any way relate to violence, mental illness, etc, has reduced my ban rate.