Explain rather than just declare.
It is apt. In both scenarios somebody is doing something that is unacceptable in one, one is race baiting, the other is my child cursing. In both cases there isn't a motivation that makes it good to do, even one of parody.
Yeah, it's apt. You only "declare" it inapt because you desperately want there to be some reason it is okay to race bait in a parody song...
The moral of the story: Point out the hypocrisy of others without participating in hypocrisy of your own.
It's not an analogy because you have made it a judgement. Your judgement of what you think Rush's intent was/is.
In the end, it is opinion. Unsubstantiated and subjective.
I mean really!