There is proof that covid spreads rampantly through restaurants. The chinese found this out early in the pandemic. Central air circulates the virus.
https://www.cidrap.umn.edu/news-perspective/2020/09/close-case-contact-dining-out-tied-covid-19-spread
Also almost all big box retailers off curbside service. If you're dining in a restaurant or going to a church you are more at risk due to the closeness of people and length of time you are there.
Also mask utilization in restaurants are probably at a minimum just due to the nature of the establishment.