Some guys like blondes, some like brunettes or redheads. Some guys prefer feature-worthy parts of anatomy. Some guys just prefer to be gender-specific.
If I may, you seem to prefer women with a specific career. That's an interesting proclivity.
Are you specifically combing the cam sites with the intention to find models to meet/date? Or are you particularly "lucky" to break that model/member barrier that ought to exist and you're able to capitalize on this fortune?