Sex is a huge part of every type of entertainment medium. Music, TV, movies.....why should gaming be any different?
You're asking very general questions that are ultimately irrelevant. I can answer all of them positively and negatively, because my answer is entirely dependant upon how exactly sex is portrayed in any specific game that chooses to do so, just as it would be so dependant in regards to any other medium. Some do it well, some do it poorly, and so the reactions will naturally vary. This is true not just of sex, but pretty much everything else we cover in entertainment as well. Humour, violence, drama, etc, etc.....
It all has a place, but that doesn't change the fact that there will always be wildly different applications of it, ranging from the fantastic, to terrible, and everything in between.







