She probably realizes that the “fake” looks the same as the real to 99% of the popluation, and day to day, there’s no difference to her either, so there’s no reason to pay full price.
After-all, it’s not like it’s going to break-down on the way home.
I do agree though, just because some watches cost $10,000 and it tells time the same as my $20 timex, doesn’t mean a person who buys it is “stupid.”
Some people say buying premium gas is stupid, but some of us know the difference. And some people have so much money that they don’t really care if they overpay. You can be pretty smart, but still have more money than brains.