This doesn’t seem “victimless” to me...just sayin’.
OTOH, how many people have killed others while in a drunken rage?
I do not think this is about the comparison of dope vs alcohol. Alcohol has known effects because it has been legal a long time. There has been long term scrutiny. That does not excuse any scrutiny of short or long term pot use. The effects of everyday use may just now being assessed.