That's strange, I know a bunch of guys in my hometown who hang out at the Elks who aren't religious. Most of them are probably confirmed or at least baptized though.
"Driving under the influence of cannabis was associated with a significantly increased risk of motor vehicle collisions compared with unimpaired driving (odds ratio 1.92 (95% confidence interval 1.35 to 2.73); P=0.0003); we noted heterogeneity among the individual study effects (I2=81)".
If we're doing anecdotes I'm sure there are lots of drunk drivers with spotless records.
I understand that you're taking issue with the idea of always being impaired, but the article indicates that there's a pretty clear association between having ingested THC and being in a car crash.
I think that this is an opinion. For instance, one might think online gambling should be illegal, regardless of whether it causes addictive behavior or exacerbates some genetic predisposition to it.
Is it important to stress that though? This feels like a personal responsibility argument while also acknowledging that it disproportionately affects people who don't have a ton of control over their response to it.
I noticed that you posted the story, are you one of the authors of the paper? It mentions a number of potential treatments including mindfulness, CBT and metacognition -- do you think one of these is potentially more effective than the others?