Imagine your stated mission was to provide cookies for everyone in town because the local cookie factory charged $100 each. Then one kid said they didn't like the cookie, so you banned all kids from eating them.

You'd be within your rights, sure. But you would also be a going back and violating your own ideals.

So, sure, it's her site, her rules, but I think it's fair to expect someone to uphold their principals and be disappointed when they don't.