I'm defo NOT an advocate of de-platforming people for making what I believe is an honest mistake, at least on the part of the non-marketers just trying to scratch a few bucks.
The others, meanwhile, know exactly what they're doing and that's the disturbing part.
We're witnessing the death of critical thinking and the situation you outline is just another example among many online.
As for the political and societal implications, well, it would appear we learned absolutely nothing from Brexit or the last US presidential elex so...