There are only 2 logical explanations.
1) They know something about this germ that we don’t.
2) They’re doing it to slow the spread of the virus and quell mass hysteria fomented by the media.
3) They’re doing it because they can.
#2 seems to be the popular choice and is the least scary of the 3.
# -— logical explanations... DOH!
A Biden moment...
Oddly enough, when the "crises" pass, the regulations remain in one form or another. "For the public good," of course.