The entrance of large numbers is designed to help or hurt some front runner.
My guess is that someone is trying to take out Biden, but Biden responds by getting someone else to enter in order to split that vote even more.
or it ends up in chaos and someone rides in to the rescue. a steady hand who provides order & purpose - Hellary!
ok a lot of people here like conspiracy theories here’s one
” ... the 20 some contenders..” are all a smokescreen to give the appearance of competition ... It’s Hellary!. She organized it this way for appearance sake!
Until she assumes room temperature I can’t see her quietly accepting the current status quo & riding off to be a grandmother!