I just don't like that he says that he's open minded and not judgmental, and then speaks as if he thinks that people that sleep around are morally inferior, lack integrity, are butthurt because people don't want them, and so on. If he just said that it's just something that he isn't comfortable with and would like a person that shares his view on the subject, I wouldn't call him judgmental.
It's like with the dating multiple persons at once thing. I personally don't like it, in that I wouldn't like to date a guy that was also dating other people during the same period of time, because I would feel disrespected and as if he wasn't serious about me. But I don't think that guys that do so lack integrity and self respect - I don't even think that they are disrespectful per se - and if I did think that, I wouldn't call myself open minded and not judgmental.