They may not turn out to vote against him. They’re certainly not motivated to get out for Joe Biden.
They know obama/biden did nothing for them for over 8 years and biden has done nothing for them in over 47 years. obama/biden was too busy trying to please social justice warriors and the LGBTQ community to do anything for blacks or Latinos.
However if they do turnout in mass and vote for down ballot candidates they may get true local improvement.