If your acct is taken down you CAN get it back, but it’s a pain. You are more likely to be accidentally flagged if you post external links, as well. This bot was likely rushed to be put out. Tumblr released their own bot supposedly capable of wiping the ad bots, but it’s taking down many popular blogs, possibly due to sheer amounts of posting or sheer amounts of ad bots in their notes.
The old solutions were bots to detect image sets with nsfw content, the automatically enabled safe mode, tag filtering for mobile, and wide takedowns of nsfw bots based on words used (that’s why their messages are full of numbers and symbols, to evade this) It has this “inappropriate” problem because of rampant porn ad bot accounts.
Tumblr was deemed too full of inappropriate content to be allowed to be downloaded from the app store.
For those unaware because staff isn’t saying it