You won’t be able to do much with the second. Web sites will force login with google, etc. and only work for attested browsers.
I don't use Google login any where and have a lot of accounts with many different websites? Youtube and other Goolag ecosystem being the exception, but, of course they are?
Both Apple and Google decided against implementing device attestation in browsers.
https://news.ycombinator.com/item?id=42522490