If we talk about the latter, then such bans, on the contrary, protect some users (for example, children) from such materials, which is a clear benefit.
Uma sikhuluma zokugcina ukuvinjelwa ezifana nalokho, ukuvikela abanye abasebenzisi (isib, izingane) ukwaziswa okunjalo, okuyinto kuyinzuzo ecacile.