Even if they just post their own videos here with some commentary they can immediately earn something. We have a few pro musicians here, but they'll be busy and have to go where the audience is.
BTW I looked up the gear he uses that's at least £3000 :)
Free Beat does get quite a lot of sponsorship for his channel I think and he often does great reviews
All we need are more videos where people have a good camera setup and can walk through what they’re doing. Does take time though and a little bit of investment in it.