Side note/doubt. By asking to have your data through a GDPR request you are effectively giving to the receiver of the request: 1) your full name 2) your phone number 3) your e-mail i.e. basically a confirmation that both the phone number and e-mail are good/active/attended and that they are yours (and that you "exist"), while the data they may already have likely is only the telephone number and the patterns of its u…
I use different names/email on every site, but phone numbers are always these 2~3 numbers. If I'm going to send a deletion request under GDPR alike laws, it would be under different names.