IMHO one of the greatest current problems in computing is how to have openness and freedom on a platform without sacrificing user experience or letting it turn

IMHO one of the greatest current problems in computing is how to have openness and freedom on a platform without sacrificing user experience or letting it turn into malware hell. The walled gardens are walled to keep out the riff raff -- or at least the benefit of doing this is why vendors can get away with it. If there were no benefits, the market would reject this.