No doubt some treaties are bad treaties, in that they make the world a worse place. But whether a treaty is good or bad and whether it is legally valid or invalid are two separate questions.
The problem with "questioning transactions" is that if you happen to own any real estate, almost certainly it is land which was stolen from somebody at some point (from indigenous people, or by some invading army, or by some greedy feudal warlord, or whatever). You want to open that can of worms for other people, but do you want to open it for yourself?
The problem with "questioning transactions" is that if you happen to own any real estate, almost certainly it is land which was stolen from somebody at some point (from indigenous people, or by some invading army, or by some greedy feudal warlord, or whatever). You want to open that can of worms for other people, but do you want to open it for yourself?