Progressives feel angry and betrayed when the “left wing” works with Republicans to make sure the minimum wage stays put.

Progressives feel angry and betrayed when the “left wing” works with Republicans to kill BBB.

Progressives feel angry and betrayed when the “left wing” works with Republicans to make sure rail workers can’t strike.

Progressives feel angry and betrayed when the “left wing” fights progressives harder than it fights Republicans.

Progressives feel angry and betrayed when the “left wing” adopts Trump’s immigration policies.

Progressives feel angry and betrayed when the “left wing” slow-walks merely rescheduling cannabis instead of even trying to fully legalize it.

Progressives feel angry and betrayed when the “left wing” kills the public option.

Progressives feel angry and betrayed when the “left wing” passes NAFTA.

Progressives feel angry and betrayed when the “left wing” passes the '94 crime bill.

Progressives feel angry and betrayed when the “left wing” votes for the Iraq war.

Progressives feel angry and betrayed when the “left wing” keeps extending warrantless wiretapping.

Progressives feel angry and betrayed when the “left wing” makes sure that those who caused the 08 housing crisis don’t encounter consequences.

Progressives feel angry and betrayed when the “left wing” has a majority and chooses not to use it.

Progressives feel angry and betrayed when the “left wing” hides behind incrementalism as an excuse for doing nothing.

Progressives feel angry and betrayed when the “left wing” makes sure student loans can’t be discharged via bankruptcy.

Progressives feel angry and betrayed when the “left wing” repeals Glass-Steagall.

There’s a whole pattern of behavior here, and I’m certainly missing plenty. So I doubt progressives have a lot of patience for Biden’s whining here.