Of course. Just because the impact isn't as clearly measurable as the BAC, obviously it's impossible to overdose on it. You can never have too much of a psychoactive substance. And no, nobody every develops a dependency on it. It isn't the least bit habit forming. Not to mention how nobody ever goes to rehab for it. Dependency, addiction, to-may-to, to-mah-to, regardless of the different chemical workings.
And it may take more than other drugs for it alone to kill on the spot, but generally marijuana will mentally impair you to the point of life endangerment faster than alcohol. Yes there are legal drugs out there that will fuck with you, but that doesn't make marijuana any better. Prescription drugs can fuck with you too, but that's why you're prescribed a set amount. Enough to make a difference, but not enough to make you sick. If you take more than your allotted amount, that's your own damn problem.
I'm sick of seeing all these wannabe cannabis chemists and government conspiracy theorists insisting that marijuana is this victimized wonder drug held down by the man. It is habit forming, and it will fuck with your brain, regardless of anyone's comparisons between it and other drugs.