After the right wing extremists are forced onto their own platforms, how much do you want to bet that their newfound bubble will make them much more extreme and much less likely to see something like a debunking video? It just plays into the persecution complex.
"Neutral" is no longer neutral, and if you keep telling people they are bigots undeservedly, they will leave and set up their own media, with blackjack and hookers, creating real extremism.