Tangentially, it's kind of weird how most of the sites' systems to verify your age try to get you to do it on a phone.

I've never used twitter on a phone, yet that's the only official way to go through the age verification process. Youtube too.

I attempted to get through the youtube one on a new account to see an age-gated video, but couldn't finish the process and gave up. At the time, I remember thinking it would be easier for me to buy an age verified google account from someone.