Because GP's comment mixes the concepts and who thinks what in a very "I'm just asking a question" way, while suggesting that everything not illegal is 100% fine. People don't appreciate that because they see exactly the kind of person who would operate in that malicious compliance mode.

Obviously you can't regulate every bit of behavior and this will always leave room for abusing corner cases. You have quiet hours in your neighborhood? I'll just make the maximum amount of noise every second it's allowed, forever. It's legal, it's not fine. So clearly GP's comment rubs people the wrong way enough to be flagged.

It's pretty clear from the term itself that malicious compliance is compliance or else it would have been called (malicious) noncompliance. This is what people think Apple is doing. What EU authorities believe is that Apple is not compliant with the law, perhaps for different reasons than people see as malicious compliance.

So the EU is bashing Apple for them not being compliant, while regular people are bashing Apple for the malicious compliance. The second one is perfectly fine to do even without a judge's verdict.