Saying it's a plant does not make the government stop its prohibition. What they do with their time is not up to you. It is indeed pathetic. The laws protect the vested interests and overall performance of the system, not all citizens. Control is necessary for any system to function.

Cannabis makes you a lazy low energy stoner with short term memory loss. Meth lasts 10x times as long, keeps you alert, so you can work like a champ.