You can't smoke liquid luck..

^i mean in terms of how it makes you feel

Lol- sure- it was just the first silly argument that came to mind.

Hmm..ok- to set boundaries- and not having used weed- explain in simple terms how weed makes you feel..

^it makes you feel how liquid luck looks in the movie. Euphoric, happy, loving, persuasive - at least for me

Does it lead to great decision making..?

at least for me

YOU SMOKED WEED?! uh ok

That’s subjective for every individual person unfortunately

It did seem like it in the movie, especially, based on how Harry was acting!

Sure. Is it subjective with Liquid luck? Are there examples where Liquid luck didn't lead to fantastic decisions?

The movie made it look like Harry was high. In the book, it was clear that he had insight into knowledge that he wouldn’t normally have, and other people were acting differently than they normally would. Weed obviously doesn’t do that.