WordPress(.org) is a single point of control over plugin distribution. One entity controls the directory. One entity controls the update mechanism. One entity decides who gets to ship. I think the future of WordPress product distribution is decentralised: https://coenjacobs.com/blog/future-wordpress-product-distribution-decentralised/
The future of WordPress product distribution is decentralised – Coen Jacobs

@coenjacobs You do realize that that whole "centralized area" costs actual real world moneys to maintain and use right? I'm talking millions of dollars every year. If you actually have a better solution, they would probably totally be for it because it would save them MILLIONS OF DOLLARS a year.
@otto42 @coenjacobs we’ve got some great ideas!