If the league actually became more professional in how it was run, it would probably become more popular overall. You're right, it's an old-boys network. This is the only sports league I know that actually values its "grit guys" over its stars.
We are in violent agreement overall in all the points you brought out. Get rid of the 3rd point (make it real simple, winner takes all--two points for a win, 0 for a loss, keep playing until the game is decided), you circumvent the gap, you get punched in the face (if you happen to have 2 first round picks, you lose both). By making it all or nothing, you actually improve the quality of the game. Teams won't sit back anymore as they will be forced to do more than mail it in. I would also cut the number of regular season games down to 70 to keep guys fresher for the playoffs.