In other words, they have a popular agenda, but are political morons that are going to eventually wonder why they can’t break out of solidly blue districts.
There is nothing against the group you mention except that it might be the group that most fights against progress toward equality.
That just means that the marginalized become an anchor preventing progress. We can’t have nice things until we solve the problems of the bottom quantile—which we never will.
If progressives had been in charge, America and everything it created wouldn’t exist. They never would have allowed us to displace the Indian tribes so the land could be put to better use.
Was the end of slavery a progressive or regressive move?
And that’s the difference. Progressives view it as important that we progress all groups and that challenge is fundamental to society, whereas you view them as an anchor.
If you ask me "should corporations pay more taxes?" I will say, yes. Famously so does Warren Buffet, is he also a progressive?
If you ask me, "hey should we gut tax incentives for R&D spending in the USA?" I will say, uhhh no? probably a bad choice?