Will this work?
No.
Australia passed something similar, & it's easily bypassed—and now EVERYONE haS to hand over personally identifying data just to use social media.
If you think this is a good idea, you don't understand how the technology works
Breaking News: The U.K. government will ban social media for children under 16, Prime Minister Keir Starmer said.
Prime Minister Keir Starmer said his government would bar children under 16 from social media starting in 2027. The move follows similar policies in Australia and several other countries.