This person is asking this question for the wrong reason, they obviously just want to feed their white aggrievement. If they actually care about the question they'd do a little research and realize women and minority candidates do much better against the Democratic machine because Corporate Dems will quickly label a white man as racist for running against a minority or sexist for running against a woman. Can't do that against a minority or woman.
The smearing of Corbyn as anti-semite is the playbook. Corporate Democrat ideology only allows for representation in elite circles - a black president, a woman general, a trans police chief is the most progressive thing a Corporate Democrat can accomplish. Their ideology does not allow for class politics. We may see their weaponization of identity as callous, but it's the only belief they have.
If Corporate Democrats didn't own the entirety of the party, then we'd probably see more white males running and winning. But Brand New Congress and Justice Dems realize what they're up against.
Nuclear has a massive lobby as well that astroturfs and spends tons of $$. I won't debate the science of nuclear vs renewables. The problem with nuclear in the US is no one wants a plant in their backyard. The red tape from lawsuits and counter-lawsuits means every nuclear plant will be slowed down by years.
Nuclear>Coal for sure, but Renewables>Nuclear.