Are you sure? Maybe in San Diego (and other progressive universities) they would.
http://www.freerepublic.com/focus/f-news/1514259/posts
Despite ban, porn back on UCSD TV
"Pornography has returned to the airwaves of a UCSD student-run television station, despite a student leaders' vote earlier this week to ban nudity and sex." (snip - more at link!)
I don't believe an R.A. would be allowed to do anything like this, no.