I'm sure that you saw this story.
Sen. Kyrsten Sinema is facing a censure vote from the Arizona Democratic Party, brought by progressives who deem her politics too accommodating to President Donald Trump at the expense of Democratic values.
Stuff like this happens in political parties. The difference is that when it happens in the Arizona Republican Party, folks like Yvonne Wingett Sanchez and her fellow travelers write endless stories about extremists taking over the Republican party.