> But it seems like most of the clinical research is going into micro-dosing: i.e. how to make this something you would take every day to alleviate symptoms. I just don't understand the benefit of this approach other than the fact that it might be a better business model.

Could be because it's supposedly quite prevalent in Silicon Valley, so it's a cheap way to study its effects in a largish population that's self-medicating. Research is expensive!