The DNC haven't had more than 48 senate seats in over ten years, and just before that they expanded medicaid to tens of millions of americans.

Taxing the Rich was the Harris Campaign, with promise of a unrealized capital gains tax for earners over $1M USD, and enshrining Roe V. Wade as well as many other things in the list require defeating fillibuster, but even if the senate had changed the rules to bypass fillibuster: only 48 seats.