To argue that an additional piece of equipment costing hundreds of dollars solves the problem with the first piece of equipment is silly only serves to support the argument that the first piece of equipment is substandard.
I was lucky though as that additional piece of equipment was being used long before the pandemic for me. I’ve had no additional cost to get the ability to unlock the phone with a mask on and to be honest, it’s rare I wear a mask and need my phone at the same time anyway.