If any working/middle class people complain, the people who control the culture and media will ensure they get smeared as racists.
2. By living in states like California that did that Machiavellian 1-2 combo of allowing illegal immigrants to get drivers licenses, then made it so that people with a driver's license are automatically registered to vote.
Go ahead and produce evidence that votes were cast by ineligible people in California.
Even better if it's a significant enough number to indicate a systemic problem with the registration system.
Either the US goes genocidal and purge 3% of their population or they all get along. Getting along seems like the good option to me!