Seems useless, as Red Hat does not write documentation
The docs are on https://docs.redhat.com/
at worst a regwall.
For the record I think Red Hat shouldn't put those behind a login, but that's a different argument
It's not a login. It's a login with an active subscription. Are those article that valuable that they can't provide it for everyone with a @company.com address that has >n licences?
Pure speculation, but I'm guessing they view the knowledge base as part of "support" (or like level 1 or something), which is why they're so restrictive. I think they greatly underestimate the number of people like us though that already use RHEL but don't want to bother with accounts because we can get by without it, but would benefit from having the access. They don't seem to understand the friction their policies create, and I think that's deeply unfortunate.
I do wish the knowledge base wasn't behind a log in, and Red Hat isn't perfect (there are plenty of things that either don't get updated for new RHEL releases and end up cut, or aren't comprehensive enough), but they do contribute a ton to documentation that benefits everybody.