Is Twitter actively shutting down provider accounts?  A good number I was following vanished overnight.

It would be like trying to drink water through a fire hose. There is so much porn on twitter they could never shut it all down. and if they did most of their content would be gone. I know of some providers who have been shut down for starting shit, but not for showing tits and ass as far as I know.

Twitter runs the risk of getting shut down like Back Page for essentially running sex ads.  

They can no longer claim that they are simply a "bulletin board" with no editorial oversight and expect anyone but the dumbest people on the planet to buy that load of bullshit.

You piss the wrong group of people off and they gang-report you like a ten monster cocks on a petite spinner the second you post anything even remotely suggesting an areola.