Of course bio's are important. But this is 2024, if anyone doesn't know Trump's bio at this point they've been living under a rock. We're talking about a person who is going on his fifth generation being in the public eye. He's hardly an unknown.
His opponent is Harris, not Walz. Outside a couple of years in the Midwest during elementary school she lived in Berkeley (and occassionaly Palo Alto) and Montreal. She went to college IN D.C. and went to law school IN SF. She then stayed in the Bay Area after law school working for the Alameda County D.A. then S.F. D.A. before coming a Senator.
While her family wasn't rich she had two elite academics as parents (the type that Walz said aren't true Midwesterners). Her family wasn't missing a meal and there's a real good chance she wasn't changing tires, going to live stock shows or country fairs. Her resume doesn't exactly scream out man/woman of the people Midwest style.