1) One reason I feel it is so "obvious" is that trademark law (which I am going to isolate, as this has nothing to do with copyright law: the two are often lumped together but they are extremely different and serve a very different purpose) is more reasonably structured than people give it credit for and most of it really is designed to prevent impersonation, which by and large helps consumers and end users; and like, frankly, in most of these cases, if you ask people why they insisted on using the other person's product's name in their product it actually isn't benign: they actively want their users to confused the two products a bit.
2) Even if you don't agree with the concepts behind trademark law and you really believe that it is somehow a "trap" laid out by corporations, if you are going out of your way to go to war with a multi-billion dollar company your mental model shouldn't be "in for a penny, in for a pound" but more "choose your battles wisely": even ignoring the "you should have a lawyer" aspects of this, you should analyze each decision you make from the perspective of "can I foresee this making them extra-angry" and then decide "is this a core part of my crusade, or is this the kind of thing that is just going to make me more likely to end up failing?".