Can you blame the people for skipping the CS? No because they are way to long.
Is harrassing ok just because someone doesn't skip? No.
Should the stuff from there be solo content or should the CS be somewhere else? Yes.
Is the Roulette worth the hassle of watching CS? Absolutly not, there are way more things that you could do during this time.

Solution: Don't run the roulette if you don't want to waste time with CS and get your exp and tomes in another and less annoying way.