My respect isn't even the tiniest bit affected by who or how many someone sleeps with. Honestly. One of my favorite people in the world that isn't MrsX sleeps with lots and lots of people.
Now, the sad fact is that society affects us, especially women, in a way that most women who are sleeping with everyone in their friendship circle are doing so because they're extra fucked-up in the head. So, they usually do all of this fucking in a manipulative and deceitful way.
But, some people can see through the bullshit and just enjoy sex without hurting people, and if someone wants to do that with a hundred people, good for them.