The P.SE-mod-decided migration was rejected for a good reason by the Med.SE mod. I agree with the latter that the answer to the q almost certainly isn't a medical rationale, but probably has something to do with state regulations.... which is why I asked on P.SE in the first place.
Unfortunately, I can't even flag the q here now, because the flag goes to Med SE, still. So, I'm asking here (on meta) for the q to be re-opened here, on P.SE.
I see I can edit the q here though the history page, but I can't flag for mod or vote to reopen from there.