They are not developed by a 'community'. The developers who build it are paid for by investors. Those investors want a huge return. It's not open source, it's bait and wait
Exactly, when you take a look at the mainstream "open-source" projects, you 'll see that those projects are all developed and maintained by some people who gets paid to do that. (e.g. Kubernetes, Firecracker, Gvisor, Bottlerocket, Podman)