I don't trust Google to fill this role of being arbiter of access to things. After it took me a week to recover access to a GSuite account that I knew the password for (long, unique, stored in a password manager), that I could confirm access via the recovery email, and that had my phone number attached - but Google were insisting that I was a hacker, and Support-robots refused to help me or assign a human until I fou…
It's been almost two months now. I managed to get through to a human but they misunderstood my problem, referred me to the wrong documentation, and then stopped replying altogether. I am now shopping for lawyers to sue them under the GDPR for something that any other company would have resolved in an hour or less.
Do not trust Google to be your gatekeeper.