Jim Matthews
The current debacle is because Public Health measures have been successful in living memory. Few in the US are old enough to remember Iron Lungs, let alone Polio.

The fact that Measles was once an inevitable scourge that disproportionately killed the very young has been largely shrugged off.

https://www.historyofvaccines.org/timeline#EVT_100526

It's similar to building luxury condos next to a surprisingly uninhabited river.
People forget.

https://www.npr.org/sections/thetwo-way/2011/08/29/140044467/vermont-floods-may-be-as-bad-as-monumental-1927-flood