The only one making that case about Dotcom is you.
This case has always been about the nefarious actions the U.S. goverment has undertaken to stop him. If anything, they've turned him into a hero. His reputation before all of this was "yeah, he's probably a criminal."
Does not matter what Kim Dotcom did - it's no excuse for the U.S. government to break the law and resort to stealing just to to stop him or any other criminal, and seizing his assets is closer to piracy than anything Dotcom has done.
Taylor Swift isn't getting screwed by the label. It's the 100s of other artists that signed up hoping to be Taylor Swift that are getting screwed over. It's a game where only a few artists win - the ones that make the most money - and everyone else loses everything.
Before the internet copyright law mostly concerned businesses and professionals. The law was never designed or intended for the general population. It was supposed to keep businesses from stealing from each other.
Now copyright is everyone's concern, because everyone can copy just by typing CTRL-C and everyone can publish just by clicking "Upload". The current law is completely inadequate for the world we live in.
If anyone pays Suicide Girls (EFF) $90 for that image, it'll be because of the value added to it by Richard Prince - not the value added to it by Suicide Girls. So he ultimately did them a favor by appropriating their work and they're capitalizing on that rather than suing.