Earlier quoted context omitted.
I'm not sure why this is being downvoted?
The premise is that the intent of the law was good, so everyone should naturally change their behavior to obey the spirit of the law. That isn't how people work. The law was poorly written and even more poorly enforced. Attempts at "compliance" made the web browsing experience worse.
Malicious compliance made the web browsing experience worse. That and deliberately not complying by as much as sites thought they could get away with, which is increasing as it becomes more obvious enforcement just isn't there.