The Oates penalty was so blatantly wrong it hurts to think about, and the kicking incident should have been an instant penalty. The over-ruled knock on, I thought was fair enough (and warranted), but if they can jump in there, common sense says they should have had the power to and decency to overturn the Oates howler.
Incidentally, Broncos fans probably ended up getting the rough end of the pineapple on the Roberts "no-penalty". If he'd been pinged straight away, that would have 90% likely been it, and no charge to answer for.
Now, with remarkable clarity of hindsight (and a quick check on twitter), the MRC have had to charge him.
The refs were shit... and rightly sacked