In criminal cases. In civil suits someone always loses, so an average person cannot win more than 50% of cases.

Finally the mathematically correct answer! Thank you for typing this out

Also called “real estate”

If the licence is already open source then they can’t do shit. Unfortunately, they have other methods of discouraging programmers from working on the project, but ultimately open source will prevail.

Again, if you properly separate your identities, than the answer to both questions is simply impossible, since you are not the one figuring on the bill. The only thing they can achieve is link you to some IP behind 2 VPNs and 5 proxies, good luck to them if they want to dig through all that while avoiding you noticing and simply deleting all data from one of them making you completely separated from any illegal activity.

I can host an instance. I don’t care about “raiding”. If you get raided, it means you have not properly separated your online and real identities.

Not all of Europe. In most parts (especially Eastern Europe) the most you will get is a slap on the wrist if you are really really unlucky. And decades in prison aren’t a thing anywhere for simply sharing links to pirated content.