If she's serious, why would any man in his right mind want to marry her? Obviously, she's only after money. She deserves the reply she got from the guy.
Given Windows monopoly of the market, I think it'll be around for a while. No, it's not the best OS around, but their marketing strategy won. It's not about if you have the best product. It's how your market it. They've done a very good job there.