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You are correct - no plastic lens hoods (though this one is enforced less frequently than the no monopod rule, and I still see the occasional photographer with a plastic hood on his/her 70-200). I have rubber hoods on my 70-200 and 24-70. As far as super tele's, notice the image posted by Guy above: all the tele's have no lens hoods on them (the 300 to the right and the 400 on the left).
Concerning remotes, I have become a big fan of them. Here's yet another shot from the Bulls/Heat game, taken with a 1D MkIII with a 24-70 set at 24mm, ISO 3200, 1/640s, f/4.0, mounted in portrait orientation, about 30 inches off the floor, on the goal stanchion.
And here's one from a game a couple weeks ago (similar setup to the one above):
I typically get 10-15 keepers from my remotes from each game, which is a LOT more than I used to get from the 400 (or even the 300 I employed a couple seasons ago) and I think the shots are better, for the most part.