Honestly, it is extremely easy to get people to wear masks if Trump (or alternatively, the state governors) wanted.
Just fine people for not wearing masks ...
They actually need to do less than that. If the POTUS and some Governors, from day 1, took the Pandemic seriously, and repeatedly told ALL their citizens to always do the right thing to protect others and diminish the spread, it would have made a huge difference in our nation.
Instead, we got some leaders (including the president) who make a mockery of wearing masks, and politicized it to a Dem-thing-to-do, versus a GOP-thing-to-do.
And thus we are left with many naive morons in our society, who will go along with the president, and would rather see more deaths than admit to the science/facts of the matter.