Just about all of them could use an editor, like you I would only use videos to find out something very specific. Sitting through 30mins to get one or two sentences on the subject doesn't do me good. For that, the forum is excellent, perhaps that is why I don't watch videos about Elite, if I want to know, I can ask here, not sit through a prerecorded 'lecture' and hope they go into the detail I want.
If I want to find out new stuff about the game I usually come here first, that is true.
Sometimes (and particularly while waiting for something in Elite... be that a FC jump, long SC commute, restarting after the 8pm server bounce, etc. etc.) I browse Youtube to kill some time and since
Skynet Google knows my browsing history OA comes up on top regularly - and he gets the clicks because most of his videos are shorter than 10 minutes, usually provide a good coverage of recent updates/events --- even some mild criticism nowadays where it's due --- and they're presented with pretty videos of in-game footage.
I used to enjoy D2EA but he has a habit of removing the 'magic' of the game by overanalysing things and his focus on min-max strategies. I like his personality though. Yamiks... not my cup of tea and I tried to watch his stuff a few times in the past as it came up in the suggestions list. Just too vulgar and low-brow for my liking, I prefer a more grown up and eloquent style the older I become.