I don’t think most of them will ever see the light. We just have to wait until they were out, die off, or the new generations take the D party back to its historical center-left position. The progressives won’t succeed it the base is not behind them and you have to think the rank and file Dems will eventually get tired of being on the losing side of every issue.
The Democrats have been on the wrong side of every issue.
Slavery
Civil Rights
WWI & WWII
VIETNAM War
Ukraine War
Government Spending
Voting Integrity