Reputable sources can get things wrong.
Unreputable sources do that on purpose. It’s called “making things up”.
I’m curious to learn what tool you’re using to know when GP is trying to get things right and when they are just making stuff up.
Is it a decoder ring from a Cracker Jacks box? A Magic 8 Ball? This could be a very useful tool for the rest of us. Maybe Amazon sells one.
The question should apply to all sources of course, not just GP. The question should apply to both tools and preocedures. And the question should aply to me, YOU and to everybody else.
Where to start?
First things first.
I notice the list of possible tools that you give is limited to "decoder rings" and "Magic 8 balls". Is that a full list of tools that you use or are you desperately trying to set up a dishonest and absurd strawman fallacy?