What you are saying doesn't seem to be the reality. Studies show that there is in fact risk beyond just your table.
https://www.cdc.gov/mmwr/volumes/69/wr/mm6936a5.htm?s_cid=mm...
https://www.medpagetoday.com/infectiousdisease/covid19/88543
https://www.cdc.gov/mmwr/volumes/69/wr/mm6936a5.htm?s_cid=mm...
https://www.medpagetoday.com/infectiousdisease/covid19/88543
> "'Implementing safe practices to reduce exposures to SARS-CoV-2 during on-site eating and drinking should be considered to protect customers, employees, and communities and slow the spread of COVID-19,' Fisher and colleagues concluded."
which is exactly in line with opening restaurants with modest measures.
the study only provided impetus to look closer at restaurants as potentially not insignificant localities of spread due to self-reports citing slightly higher restaurant patronage in the 2 weeks prior. they declined to put forth any conclusions on prevalence or mechanisms for spread in restaurants because they didn't study those things. they only presented some statistics on the self-reports. that's it.
At what point do we fully re-open? Winter 2022 after everyone has had a mandatory vaccine?
https://www.reuters.com/article/us-health-coronavirus-cdc-ai...