Although the chances of formite transmission (i.e. through touch) is apparently quite low: https://www.cdc.gov/coronavirus/2019-ncov/more/science-and-r...
Disclaimer: Everyone seems to have their own level of risk tolerance/acceptance with Covid.
What’s more important, loads of shops eg bakeries have card terminals now.
Source: https://www.papershift.com/blog/die-kartenzahlung-ist-in-deu...