If you're speaking of the Democrats, they've been following the Neoliberalist playbook to the letter for decades: deregulate businesses, defund social programs, reduce taxes. This (the housing crisis) is the direct result of their half-competent technocratic stewardship of the economy. (And let's not spare the actually malevolent Republicans from sharing the blame in turning this land from an actual country into a billionaire's playground).
This "Abundance" movement is to be taken as a rebranding of the same tired and destructive Neoliberalist policies, and nothing else. It is ported by the same old people and politicians that have been slowly running this country to the ground. There is absolutely nothing new to be found in their manifestos: deregulate businesses, defund social programs, reduce taxes.
Housing can either be affordable or an investment vehicle, but not both at the same time. Actual leftists understand this very basic premise, but the astroturfed Abundance "movement" remains blind to it. Left-wing populism is slowly gaining ground in the face of an extremely complacent and ineffective Democratic establishment, and Abundance is a last-ditch effort to sold democratic voters on the same garbage they've been eating since the 1980s.