You’re reducing the safety measures that Apple has put in place. Anytime you share information with a merchant, vendor website etc. you increase the risk. How? If any of the sites you’ve shared information with, if their site is hacked, then your data is at risk. That’s a major way hackers and scammers gain access to your personal and financial information. Information is entered into a site with low security, it’s easily hacked, your accounts, credit profile, credit cards, bank account, Apple Account and other personal information is now more easily compromised, or is compromised.
Home Depot had a major data breach in 2014 or so and that pushed banks to really push the use of EMV (chip) credit cards. Millions of Home Depot users had their information stolen and sold on the Dark Web, cost banks and individuals billions.