Maybe a better term is “stimulant-induced metacognitive miscalibration”. An induced a state of overconfidence similar to Dunning-Kruger - even thought the underlying mechanism is different.

You perceive the idea as great not because you suddenly understand it better or know more. You think the idea is great because of the dopamine flooding your brain. And much like Dunning-Kruger, even thought you might think you did better, real world results don’t match your expectations.