They could have distanced themselves from the current administration though. They could have acknowledged that inflation has fucked most people, and be far more direct about addressing it than vague price gouging investigations that should be happening now. They could have come out in favor of any and every union striking. They could have had policies to guarantee profit sharing or granting equity. They could have made the totally empty promise of fighting for main street and not wall street.
The people that supported trump were always going to support him and be energized to vote. That’s a big part of why focusing on his lies was such a waste of time, it wasn’t going to change any minds. Winning elections is about motivating your base, undecided voters are a wash and opposing voters aren’t likely to massively shift.