Mulling on your comment, the latter might actually be the next wave.

After too much "polished" content from Brazzers/BangBros/RealityKings which is really your McDonald's megacorp productions of porn having a decentralised authentic "team of 1" indy authentic production via Porntubers is probably the parallel evolution that we saw in Youtube.

Not sure, I haven't really studied or thought about this issue very much. Although porn is quite fascinating in its universality and scale.