I'm not the most informed person about this, but from what I can tell, pot is a whole lot less dangerous than nicotine or alcohol. If the growing movement to legalize drugs gains more support, I still wouldn't support anything except pot, which is the only thing most people are campaigning for anyway. As far as it ruining people's life, there are plenty of legal things that already do that (alcohol, cigarettes, gambling), so I don't really see that as a valid reason against it.