This points to a more general problem with all online discussion forums: The signal to noise varies (and may on occasionally be zero) but in the end all the signal is lost / buried deep into some archive (like tears in rain if you want to be melodramatic about it). Think about those millions of people, interacting for billions of hours online over almost two decades now. What is there to show for it at the end of the…
But it’s sometimes hard to gauge who is an expert if it’s a topic you are unfamiliar with. It helps if someone mentions (“I have been doing this for the last 5 years”) or wrote a literal book on the subject.