All discussion on PEP's happens in public forums where anyone can opine on things before they are accepted. I agree that the experts are more likely to participate in this exchange. And while this is wish-washy, I feel like the process is really intended to benefit the experts more than the novices anyways.

There have been processes put into place in recent years to try to curb the difficulty of things. One of those is that all new PEPs have to include a "how can you teach this to beginers" section, as seen here on this pep: https://peps.python.org/pep-0750/#how-to-teach-this