It will voluntarily segregate the happy conformists into their safe, normalised, walled-garden whilst the, likely technically proficient types that can wrangle hardware and software and therefore the single most dangerous group of individuals on the planet, non-conformists are easily identified by their continued participation in the wild-west-web of yore, eschewing, or at least not exclusively joining, the new utopia.
Maybe we'll get back the web we keep saying we miss, with Eternal September nicely walled-off, but maybe it'll be a case of be careful what you wish for, because now it'll put us on watch lists, not because law enforcement understand the technology any better, but because they've got their own tools to build what they think is a better mousetrap. And law enforcement love their own tools.