This is aside from common law, which might give some protection in that entities managing your goods (and maybe your data?), even voluntarily, have a have a duty of care to keep them safe.
> Cannibis can be in your system for weeks or months
No.
You are confusing the tests for cannabis metabolites (that can tell if you smoked weeks ago) to tests for THC, the substance that gets you stoned and leaves the bloodstream as you sober up.
A driving impairment test will test for THC, not metabolites. Nobody cares if you smoked last week, only if you are under the influence when driving.
In the UK, having 2ug / litre of THC in the blood is a drug-driving offence. At a minimum you will loose your licence for 1 year.
Question: Are US cannabis dispensaries run by independent qualified medical professionals, or are they simply businesses interested in flogging cannabis to everybody to make as much profit as they can [1]?
Given the (bonkers IMHO) profit motive of the US medical industry, I suspect the latter, though I'd be interested to hear from those with experience.
[1] Given some of the stuff I've read online, I'm pretty sure they would prescribe cannabis for an ingrowing toenail if you asked.
If you disagree, then post a reply saying why you disagree. Down voting is meant for posts that detract from the conversation, not because you disagree with something and can't be arsed posting a reply.
> would you be OK with jokes about skin color and such?
No, I'd never take the piss like that..... not even out of gingers.
(BTW: Quality piss taking is expected in the UK, to the extent a US HR department would probably have a fit, and probably the moderators of this US dominated forum for the above joke!)
Just because a service is free does not mean consumer protection and data protection laws (including GDPR) no longer apply.
Why would you think otherwise?