It's because they don't mean the actual left, they really mean "people with nearly identical economic politics to me but are marginally less overtly racist and

It's because they don't mean the actual left, they really mean "people with nearly identical economic politics to me but are marginally less overtly racist and homophobic". The same people who with a straight face compare Biden to FDR but as a diss instead of a massive (and largely undeserved) compliment.