FWIW, Denmark has had this digital infrastructure in the last 10 years and it’s been the foundation of a huge transformation in terms of how people interact with the government services.
I don't think anyone has a problem with an ID you need to interact with government services. They know your identity anyway, and for obvious security reasons it's necessary that they properly verify that you are who you claim you are.
What people have a problem with, is needing to provide an ID to simply access whole categories of content across the wide internet that are not related to your identity in any way.
Where were all the protests to this: https://techinformed.com/france-enforces-age-verification-law-adult-sites/ ?
This is what you get at the moment when you access pornhub from a French IP: