I don't think the OP is necessarily arguing against the growth of CSS per se, I think they are arguing that CSS development is being pushed forward by an increa

I don't think the OP is necessarily arguing against the growth of CSS per se, I think they are arguing that CSS development is being pushed forward by an increasingly small group of people and companies. CSS growth is in my view good, but it does sound like having more diverse people and organisations influencing it would be good for the community.