"For some reason I keep getting DMCA notices from all kinds of lawyers and the occasional take down notice from police when ISIS videos are uploaded there. No income and tons of complaints."

Everyone I have shown Oh By[1] to has immediately wondered "Oh, could you upload an image instead of text ?". The answer is no and will always be no, for these reasons.

It's evident right here on HN - limiting people to text weeds out a lot of the children/griefers/criminals.

[1] https://0x.co