Multiple things contributed to the loss for Harris, but if the economy was good and inflation weren’t skyrocketing, she’d be President today.
Hate to poke a hole in your theory, but in 2024 inflation had cooled considerably and the economy was on pretty solid footing. Grocery prices and mortgage rates were still stubborn, but increases were easing.
As someone who can be persuaded to vote either way (or even third party) in a presidential election, I’m telling you that the border insanity, the Biden is sharp as a tack nonsense, the “Trump is a threat to democracy” spewing Democrats crowning Kamala without a primary, the woke agenda, etc were absolutely hot button issues.
No one with half a brain believes they a president elect can come in and lower grocery prices day one. Or magically fix the economy. (But outside of 2 down months, the economy has been faring pretty well under Trump and I bought eggs for $1.69 the day before Easter.)