I think most people would, because most people are capitalist in nature. It's when self proclaimed socialists pull brick like this that winds me up, because it's hypocrisy to the extreme.
Why?
If everyone else is doing it, they'd be stupid not to. Forget how they think the system should work, they shouldnt have to miss out when everyone else is gaining. But thats entirely different to their overall stance.
I'm sure it works the other way as well, I'm 100% positive you (and all of your tory boys on this forum) are also guilty of the same sort of hypocrisy at some point. You use the system available, doesnt mean you cant think a different system would be much better.