Last time Tumblr broke out the numbers porn was 11% of the biggest blogs. More than 1 out of 10 blogs is a porn blog. That's a huge portion of their user base and will likely cause it to totally crash.
As long as the overlap with regular users is small there's no reason for why that would cascade [0].
That kind of content is usually banned/censored on most mainstream services, just letting it be will get you a non-insignificant number. I've seen people claim 3% for twitter, no clue if true or not, but few would say that about Twitter here. Too many people in tech are in the core user-base to fall for this.
[0] unless shut down this will be a loooong slow death no matter what happens. I still have a semi popular account on one of the dead sites of the era. Everybody knows it's dead but these communities are a bit like families, hard to completely ghost them.
That kind of content is usually banned/censored on most mainstream services, just letting it be will get you a non-insignificant number. I've seen people claim 3% for twitter, no clue if true or not, but few would say that about Twitter here. Too many people in tech are in the core user-base to fall for this.
[0] unless shut down this will be a loooong slow death no matter what happens. I still have a semi popular account on one of the dead sites of the era. Everybody knows it's dead but these communities are a bit like families, hard to completely ghost them.