Voting is like having sex. You’re not just voting for that one person, but for everyone they’re connected to.
I vote Democrat because I want judges and agency administrators appointed by Democrats. I want those people because I know they’ll have a judicial philosophy I agree with and they’ll take their role as regulators seriously, instead of just being industry insiders whose role is to be the wolf guarding the henhouse.
As for Harris’s policy preferences, all you have to do is Google her website, but it’s not that important since Congress makes the law, and no presidential platform ever gets enacted exactly as advertised.