Now, that is not a proof. That is a claim, for which there is absolutely zero evidence expect for the prejudices of those who have already come to this conclusion. Indeed, all the evidence suggests quite the opposite of this statement. This isn't even in the form of an if-then statement. It's just an supported claim. Pretty pathetic attempt at a "proof" actually. In fact, it makes pretty clear that this woman needs a good course in critical thinking.
Oh, didn't I make that observation already? At least with the cause and effect argument, there is some hope that the person might be reasoned with. Not so here.