Gyms are where there is the most aggressive breathing and grunting though, and that volatalizes as much contagion as people singing. Restaurants are a calmer more subdued breathing environment.
Depends on the restaurant. Alcohol and loud music lead to raised voices and presumably greater transmission.
Your gym population isn't going to clog up hospitals.
And we need to kill this myth that every old person lives with their kid.
Terrible Unscientific policy is causing more damage than if we did nothing.