"I like this solution and think it's very fair, no screwing up in my eyes."

Are you saying that you do not mind using proprietairy software? There is nothing wrong with that, many people do. If you are interested in only running free software, that is where the problem is.

"No it's not. It ensures that the free software community can carry on developing Qt. In that unlikely case KDE.org for example could take Qt and relicense it."

Right. And if java underwent a fundamental change today, all the free alternatives to it (sablevm, Kaffe, etc..) would just continue along without having to start back at zero?

I already made this point.