Regarding Switzerland: https://www.privately.eu/post/swiss-safetytech-setting-the-standard-in-privacy-first-age-estimation-technology-greatly-reducing-the-need-for-id-checks
I think the only way we're getting out of this is if people start protesting to their representatives way louder and in way greater numbers.
For anybody reading in the EU, consider emailing one of your representatives and demand they undo this age verification surveillance stuff: https://fightchatcontrol.eu/#delegates (Site is unrelated, it just happens to have a list of representatives.)
For anybody in the US, find your representatives here: https://www.senate.gov/senators/senators-contact.htm