I’m not sure I understand. You agree that these should be available on the internet, but you’re only offering them for trade? That’s completely contradictory. Offering things exclusively via trade has almost always been a ridiculous practice. Trading bootlegs is no more legal than file distribution.
I’m sorry you had to pay money to get these, but now you are in a position to make it a lot easier for everyone else. There’s no reason you can’t just upload them somewhere.