Democrats have been focused on trying to turn Mexicans and Republicans over instead of having policies that make people who don't vote want to get up and cast a ballot.
A lot of young people are seeing Biden as the guy who took away their covid relief money, promised debt forgiveness and didn't deliver. Why should they vote? For the average cac, they can withstand another Trump presidency because they know their material conditions won't get that much worse.
Student loan forgiveness, an increased corporate tax rate and cannabis decriminalization, are three things that could swing things dramatically for him. If he does one or two of those things and saves one or two more for re election, he could see a bigger turnout of non voters.
Medicare for all would guarantee a democratic dynasty. But Republicans and democrats are both loyal only to one thing: $