From my view:
1.) By the rules, it's definitely Thunder ball. The refs are technically correct in their memo, nothing is conclusive on if it goes on Reggie...all we can do is assume his palm hits to force it straight out of bounds. Under replay, that is not conclusive, you have to see contact. But like the first sentence says, it doesn't matter because of the rule. I also don't think that's a foul. Another valid question is why is Reggie not dishing that..it was a 3 on 1. Very lucky.
2.) CP3 got enough of the elbow to alter the shot, correct call. Look at Steph Curry's game winning attempt in the last series, CP3 gets under the shooter and got away with one there, he didn't last night.
Side note: how stupid was that shot? I cringe a Scott Brooks last second play out of a timeout, but man, that was one absolutely terrible decision by RW. Thank God Paul bailed him out.
3.) Tough to see in real time, but CP3 got fouled on the drive, it wasn't any more contact than he had on RW's elbow, but the ball did pop out because of it. Tough break for the Clips.
All of this doesn't happen though if CP3 just takes the foul in the backcourt. Anytime everyone starts jumping on the refs, there is usually a bonehead play which leads to the scrum, this is no different. Like Kenny Smith said, it was like watching the bball IQ of some youth league participants, not professionals. Not sure either team deserved to win.