> From my point of view it's less commercial vs non-commercial (though I think most of the problems either stem from, or are aggravated by commercial factors) as much as it is diversity versus consolidation.

There is a case where I'm pretty sure commercialization is the problem. Phone app stores are modeled on Linux repositories. Linux repositories are good. App stores are awful. The problem is the level of interest from bad actors, and the reason they're interested is the commercialization.