No they don’t. I only took drugs briefly in my teens and never created anything original or useful in a drugged state. Obviously hallucogenics produce increased visualisation but there’s a price to pay. A hallucinating person is unlikely to make sense of their images or interface then with their waking intelligence. Creativity arises from the combining of brain states, not the artificlal boosting of one at the expense of the other. Stimulants certainly produce a rush of energy and may propel an individual to rapid mental activity. But as we all know the body quickly develops a dependency on the high feeling. Your normal state of being eventually becomes intolerable and craves another ‘fix’. Moral of the story: work on being the most of who you are, not some artificial chemically induced persona.