Obviously, this question is being asked in bad faith. It's not about "not voting" necessarily, many of us are voting 3rd party. It's about not blindly voting for the Democratic candidate in front of us.
The answer, is Democrats go back to the drawing board to see where they messed up in terms of black support like 2016 and what's happening right now, specifically reaching out to black men. This lends itself to topics like reparations, police reform, more funding for HBCUs, etc.
And it doesn't matter what the GOP isn't offering, we know they are of no help. The point is, if Democrats are "the good guys" these topics should be on the table for negotiations.
It doesn't matter if you or I think any of this is unrealistic, it's more than what's being expected from down-ballot supporters. Has Roland Martin even gotten a thank you phone call from Kamala Harris for fundraising 2 Million dollars for her campaign?