It seems much more problematic for a platform to control personal posts than to control abuse of advertising and promotion mechanisms. The narrative of NYT and

It seems much more problematic for a platform to control personal posts than to control abuse of advertising and promotion mechanisms. The narrative of NYT and much of the media has been that Russia manipulated the pre election by abusing advertising and promotion mechanisms, and debunking that seemingly false narrative is the point of his post. Am I missing something?