SOOOOO don't get mad but: there is plenty of evidence that driving after smoking weed causes various sorts of impairment but the evidence that it causes DANGEROUS impairment is actually pretty skimpy, and it's almost certainly vastly safer than driving drunk.
Except - hear me out - baseline driving is extremely dangerous, so adding any level of impairment at all to that is definitionally bad (albeit probably not as bad as alcohol).
sure! don't do it! HOWEVER: the biggest problem with alcohol is that people aren't aware of their own impairment, and if anything with weed (weed only; mix with ANY booze and all bets are off) people believe themselves to be more impaired than they actually are
