I will keep repeating this until the day I die: the democratic political machine cannot function as it exists today without it's not-so-clandestine marriage with capital.
Piker being a massively-popular mobilizer of young voters does nothing to endear him to a party who's entire political infrastructure is directly at odds with his political views on capital, labor, and anti-imperialist geopolitics.
The DNC will sooner drown in it's own piss, shit, and vomit than adopt or promote a political commentator that seeks to rip the party away from its funding apparatus by holding them accountable to their increasingly socialist voting base.