I rowed over to that thread earlier in the day. It was substantial. The Berniebros were saying "Most Americans want this." And, "I don't know anybody who objects to Bernie." That's because they live in a bubble.
Froma FB post about the Las Vegas rally:
They camped in Colorado Springs at 9F temperatures . 40 000 people came only 9500 were able to get in.
The die-hards really think that most Americans will vote for an old crazy communist on his deathbed. Others believe that doddering Joe with his leg hair with do the trick.