large companies who can afford the security infra to do those checks and store that data
There is no such company. This is just another way to ban “harmful” content. Verifying your identity and age to access restricted content is practically guaranteed to result in your identity being compromised within your lifetime.
They’ll make a comeback in a few years when people with Google’s advertisement TVs start having to buy whole new TVs because the cheap Android tablet built into the TV will age like a cheap Android tablet and start struggling with basic tasks like browsing content.