@Linkat,
It does appear to be a bit over the top, extreme. It's perhaps an abundance of precaution; which, may be helpful. Since Massachusetts is taking a 4 month break, it may still return.
The recent news reports have turned this into the biggest and worst calamity since... well, in a long time.
In fairness, not much is known about long term vaping and it might be useful to find out. Also, find out what chemical/s are being used by those who are having problems. Are they using the legal vaping thingy or an underground, unregistered device? How much vaping do they do?
Here in New York State, flavored vapes are not allowed anymore. It seems to be aimed at those under 21. What a joke. Teens (and younger) have gotten cigarettes even with restrictions. The same will happen with vapes.
And of course much of it is political. Heck, here in N.Y. the previously very vocal anti-marijuana governor (Andrew Cuomo) is now pro-weed and is pushing for it to be legal food recreational use by next year. (he may be weighing another gubernatorial run in 2022).
Since vaping is relatively new, I don't think many businesses are going to close up. Hopefully they were/are/have been wise enough to stock other things as well. Keep in mind, small business owners moaned a lot when the age requirements went up for tobacco products and for booze prior to that.
I think a more intelligent option would be to do as was done with cigs and booze, set an age requirement. Sure, many will buy black market or get an adult to buy, but, some folks will not use it then.
Banning vapes is as idiotic as Prohibition was!