Which can be hacked.
Ever heard of identity theft?
Not all identity thefts are monitary related. They could be used to work ballot harvasting using names of people registered to vote that haven't voted in 3 previous elections and voter fraud goes undetected.
What was the last elections turnout of registered voters? 64% Get 20% of the 36% that didn't vote and you have the election of 2020 results.