I agree that more videos can help it's popularity. Not only the Z competitor, but Blender too. (Although with the recent rise in Blender popularity you may also have to filter through loads of crappy ones)
It may be focused on v4, but there are the paid courses by @AntonTenitsky, which I highly recommend (starting with the Mech course): https://www.artstation.com/tenitsky/store https://tenitsky.gumroad.com/
And his youtube channel: https://www.youtube.com/c/AntonTenitsky