Have you ever tried to get support from Red Hat? Honestly? The first couple of tiers are often people who are barely computer literate. I've talked with several people who - I'm not kidding - had no idea what the Power architecture is and had no clue that there are architectures aside from x86.
Obviously if you pay for the lowest level of support, that's what you are going to get. Serious businesses pay for dedicated account resources. This typically includes a Technical Account Manager (TAM) and a dedicated support resource that works along side Professional Services to take care of your install.
When done _properly_ you will have nearly instant support from an excellent engineer.
How likely is it that there's someone on Rocky's staff of 80 who...
a. is an expert in the code, and has worked on it on customers behalf before
b. is able to effectively support a customer in addition to fixing a bug
c. is awake at the time you need them
d. isn't totally underwater with other issues
How likely is it that there's someone in Red Hat's staff of 20,000 (or whatever) who fit the same criteria?
You'll need experts in kernel, services, storage, networking, filesystems, virtualization / containers. Enterprise support shouldn't be done by generalists, it should be done by someone who has depth in the particular problem space.
My impression from access.redhat.com is that much of the written material comes from support given to actual customers.
It's a whole Thing that People charge huge sums to implement, but the idea itself is pretty solid.
More people can very easily lead to nothing getting done.
If you're a big account you get your own Technical Account Manager (TAM) and a dedicated support engineer.
This is like bread and butter for anyone with any experience in enterprise.
How is HN so green in this regard?