If by left you mean the Democratic Party I agree. It’s important to recognize that the Democratic Party is for the most part running on the platform of neoliberalism. That’s been the case since Third Way Politics. The issue is that, while the Democratic Base is progressive, the Democratic Party is instead still centered on neoliberalism.
That’s an important distinction because neoliberalism is fundamentally at odds with progressive legislation that improves the material conditions of the American public, at the expense of capital accumulation of corporations.
There are only a small amount of progressive Democrats within the Democratic Party, which include Bernie Sanders, AOC, and the rest of The Squad. As a whole, even the Democratic Party works against progressive policy which is exactly why we’ve been seeing this disconnect between the Party and the Base.
Progressive policies and change can only be created and mobilized through grassroots movements. Republican policies, on the other hand, are entirely funded by corporate profits. That includes the entire manosphere, from think tanks like the Heritage Foundation to Fix News to individual conservative content creators like Ben Shapiro.
That’s precisely why we need to organize more. Neither of the two parties have the interest of the working class at heart. Only by creating our own organization like through groups like the DSA and Unions do we have any kind of power to demand progressive policies that will improve our livelyhood and communities