Air-by messes up an episode or three. I'd have to find my list.
And no, in all seriousness I watch all of it. LD is a fine parody/comedy, and I can enjoy it as a Trek show without yelling at the screen or my eyes rolling out of my head. I care not who says it is or is not canon, no more than I would ever tell anyone else how any fiction may exist in someone else's mind.
Reality, on the other hand... wew lads there's a lot of people I want to smash reality into their heads through their ears, errr, but that's not relevant to this thread or sub...