You keep talking as if OBJECTIVELY it's "right" to stay celibate and/or have very few partners (in your derisive description of those who don't do it, and your assumption that someone will respect you more for being single yet denying yourself sex), and it is "wrong" to have sex with many people. Others' value systems and more importantly - their perception of what something means - are completely different, and this isn't an excuse for you to say "well then we wouldn't match", it's a reason to say "well, just because my value system wouldn't allow that, doesn't mean they follow it and therefore are consciously doing a bad thing". They see different things in what they are doing, it means different things for them.
When I have sex with someone, it can be special, or it can just be pleasurable. There is always mutual respect and appreciation, there's never a demeaning factor involved. Who the hell are you to be judging this as unacceptable?