There are male boobie streamers
Seriously though, most IRL streams are trash, male or female. I dont get why the ones that dont have actual content are popular (well except for the camgirls).
I would save i dont get why most of the big gaming streams are popular. A lot of them feel "plastic" and "cheap" with the over the top shout outs to subs, radio DJ mannerisms (which professional streaming basically is), sponsored content.
The only "big" streamer I watch is Dansgaming. If I am on twitch its to preview some game I'm thinking about buying or to get the story of a game im interesting in but not willing to buy.
- - - Updated - - -
They do enforce ToS but to what degrees is determined by how much money you bring in. A hobbyists going on a racist yant? Permabanned. Someone pulling 10k a night? They'll let it slip a few times, give them a temp ban, and then only perma ban if they can play dumb anymore.
Same with the camgirls. Flash but bring in money? Temp ban dependant on how many "wardrobe malfunctions" they have left. But a random girl could flash her boobs in the background of a not so lucrative streamer and that stream gets taken down in a heartbeat.