Google and Apple support legacy contacts to facilitate transferring ownership of digital accounts. Life is easier for those you leave behind if you set that up now.
The benefit of a legacy contact is more veracity when you present a death certificate. Not the same when you’re simply using recovery emails imho. It’s the digital equivalent of a beneficiary designation.
https://support.google.com/accounts/troubleshooter/6357590?h...
https://support.apple.com/en-us/HT212360