Your question .. and your "theories" seem to be uncorrelated. There are plenty of women on this board who love big cocks. We love looking at them, we love touching them, we loving having them in and around our bodies. That is completely separate from being bombarded with classless dick pic texts. Joining LPSG and expecting some common decency from a guy to be more mature than some high schooler sexting, has nothing to do with one another. If I want a pic of a guys dick, I'm going to ask him for one. It's the same thing with cams in the chat room. I don't want to be harassed to look at your big cock. When I'm in the mood, I'll look. It's as simple as that.
Your defensive posts really come off like you're looking to blame women for your own insecurities. Asking us our opinions and then battling us and saying they're wrong and this is why women hate this and hate that and why you can't ask a woman anything.
If I were you, I'd check that sexist attitude at the door. Especially when you're trying to query women on their opinions.