You could just as easily frame CORS as "antibiotics for the people who dared to leave their house".
(There's also a no-true-scotsman fallacy going on in your argument)
It's a "subsidy" because we all have to spend time on it, even though lots of people don't receive any benefit from it. It's not intolerable, the Web is based on community standards and responds to community needs, and I'm fine with that. But I'm always on the losing end of this one so I'm going to say so.