Try talking to Apple support, they actually behave like robots.
Customer: "Hi, I'm phoning because I didn't take the security questions seriously and I would like to reset them to be able to access my account, I didn't realise I would need them simply to log in."
Apple support: "Sure, I can do that you just need to answer one of your security questions."
Customer: "But I didn't answer them seriously so I have no idea what answers I gave, that's why I'm contacting you."
Apple support: "Just try"
Customer: "Like I said the whole point I am contacting you is to reset my security questions so why would I be able to answer them?"
Apple support: "What was the name of your first pet?"
Customer: "<sigh> Fluffy" (answered seriously)
Apple support: "No that's wrong"
Customer: "I know I just told you I didn't even attempt to answer them in anyway seriously and I can't remember what answers I put, I need to reset them."
Apple support: "What was your first job?"
Customer: "Astronaut..."
Apple support: "No that's wrong, I can't help because you can't prove that you're the owner of the account."
Customer: "Please can you just send a security question reset link to the email address that is the login name for this account then?"
Apple support: "I can't you need to answer a security question."
Customer: "Well can you send a letter with the answers I put to the home address that has been on the account for the last 15 years and which I've used to buy thousands of pounds of hardware from the shop?"
Apple support: "Which city were you born in?"
Customer: <hangs up>
I swear they're either using AI or their support people have beem brought up to be docile robots with absolutely no common sense or initiative, their working life is basically scripted for them. A terrifying glimpse of our totalitarian government regulated future.