I've seen people go to Hell with coke, they lost their souls and some lost their lives too. A dangerous indulgence, the better the feeling the greater the danger, the hedonic treadmill is an exhausting place for many and lethal for some. Pot has limits that nature imposes, smoke too much and you no longer get high, it's a nice safety brake for many. The trouble with pleasure is it does not last and cannot, nature didn't evolve us that way, it is the anticipation of pleasure that really drives us most of the time.
I'm all for pleasure though, just don't get too attached to it. When you get right down to it, ice-cream is a drug for many, that addictive combo of fat and sugar does not occur in nature and when you combine them...