This is way worse than it seems. With name, address, and last four credit card digits, there’s a very real threat that your other accounts can be hacked either by forgot-my-password or social engineering.

Naoki Hiroshima lost the extremely rare Twitter handle @N because someone called up GoDaddy and knew his last four: https://medium.com/@N/how-i-lost-my-50-000-twitter-username-...