Yeah I agree - how would you ever know if this is real or if it's just some people saying "sure of course I can visually imagine things, just like dreams" and other people saying "omg I can't visually imagine things at all, it's just like dreams".
I guess you can maybe do better than nothing but it doesn't sound like they have got very far. Also...
> Why This Matters
Come on guys at least try.
Except, as someone with aphantasia, I see things in my dreams, so I know that seeing things is possible with my eyes closed. I don't do that when imagining in a waking state usually. Except I have once, so I also have direct experience with a very clear and vivid distinction between the states.