They haven’t, neoliberalism is in opposition to genuine progressive policies. The closest we’ve gotten are piecemeal such as the ACA. Which, don’t get me wrong, was a phenomenal improvement over the previous healthcare system, but was still a Republican written bill and was only implemented due to the grassroots movements and organization that demanded concessions.

Biden, on the domestic front, was certainly the most progressive since FDR. Specifically when it comes to labor but also some debt relief. But the admin did a terrible job communicating this. Additionally, these policies, while they certainly have helped, were not enough to genuinely address the material needs of everyday Americans. People want radical change. Incrementalism has not stopped the working class from being squeezed between rising costs of living and stagnant wages. However, his foreign policy was far from progressive and deeply unpopular. If the campaign did run on the radical progressive change people want, as indicated at every opportunity, they would have been far far more likely to win