That's a pretty black and white way to look at it, but I think a lot of that comes from the youth culture and dudebro types of guys, which is really poignant in society today. Especially when it comes to the male side of sex. I agree that interacting with a girl just to get laid isn't anything to aspire to be anything like, but hookups like that aren't one sided.
For a lot of people, sex is just an activity, like basketball, or playing video games, or anything like that. Yeah, there's a difference between having sex and making love, and the two don't really compare to each other in terms of intimacy, but just because someone doesn't take the time to get to know someone doesn't really speak much about their character. They just view sex in a different way than you do. And don't get me wrong, I'm pretty similar to you with my personal choices. I don't engage in one night stands. I just had the need to comment on your post, because it really rubbed me the wrong way.