just look at the home screen of a factory resetted phone. facebook, instagram, tiktok, and other literal garbage too is not just installed, but pinned to the home screen by default

That’s an inconvenience to be sure, but cleaning all that crap from every device is just part of the ritual just like pealing the protective film off the screen.

In 2023, there were 19.5 million families in the UK, an increase of just over 1.1 million families (6%) since 2013.

https://www.ons.gov.uk/peoplepopulationandcommunity/birthsdeathsandmarriages/families/bulletins/familiesandhouseholds/2023

Even if we assume that each signatory represents a unique family (i.e. no couples contributed two signatures) then 100k represents only half of a percent.