> When you paid with your card they knew your identity.
Who's the "they" in that sentence? As it stands, a certificate reseller knows that the Paypal account "some.name.here@gmail.com" paid for a SSL certificate for "www.unrelatedcompany.TLD"
The certificate itself tells you nothing about who paid for it - it doesn't even tell you which email account was used to confirm some level of association with the unrelatedcompany.TLD domain.
Then PayPal has the data and LE can follow the trail. Because it's about LE being able to tell who actually bought the certificate, telling me end users can't do that is kinda moving the goalposts.