Ah yes, because Apple “knew” when they added Face ID to the iPhones back in 2017, that three years later everyone would be wearing masks out in public.
To your point, Apple did release an iPhone with touch ID, in April 2020. Right at the beginning of the pandemic.
Fingerprint scanner is rumored to come to this year‘s iPhone, which was probably mostly worked on last year. Keep in mind that Apple is such a big company, that they usually work 1 to 2 years ahead. The iPhone 12 that came out last year was probably finalized long before the pandemic took over.
Some of you people think that Apple can snap a finger, and have exactly what you want ready exactly when you want it, but it’s just not how a company works, especially a company that has to ship millions and millions and millions of product every year.