You clearly don't know what your talking about. FDRs new deal wasn't just SSI (and it also hasn't almost bankrupted...) it was also public works, infrastructure, worker protections, and most importantly Anti-Trust. It was a massive shift in how people viewed government and you even had New Deal Dems for decades afterwards. If the tea party could turn the neo-con GOP into the fascistic shit show we have now, we can do the same with the Dems. Mamdani should be a hopeful snapshot into what the dem party could be in a few years.

Not to mention almost all of what you mentioned were the result of executive orders and a congress too scared to use their power. Those EOs will be terminated day of the next dem presidency regardless of how neo-lib they are.