Isn't that person as likely to assault a neighbour.
Most channels are not pushing messages with 'I need your cock now' and if they are they are probably run by a professional operator.
A lot of channels aren't about sex. A lot of channels have males.
If all of your fears were valid I would recommend getting off instagram, facebook, etc because someone could find a photo clothed or not from those sources. It could lead to..
The risk of some bitter, lonely guy living three states away, going off the rails and deciding that you are a bitch who needs to be taught a lesson, after years of having his attitudes messed up by hot women trying to make money by telling him "I need your cock right now!" - that is not a risk you run by hooking up in real life.