And keep in mind that being a domain name registrar is a low margin business (typically they're only grossing a few bucks per domain per year, before accounting for any other expenses like staffing and systems), so you're not gonna get great support.
(My Google account is dead even though I have the username, password and recovery email which forwards to me since I don't have the phone number)
I believe they are advocating for minimizing risk by not deeply integrating with capricious cloud providers.
However the big problem is I am frequently banned from emailing gmail or office365. Never Apple for some reason. So I can read email but I can’t that well send it. But I don’t really care much, mostly people have to tell me out of band to check my email if they have sent me email. My email sessions are mostly a review of current spam practices and questionable emails from firms I have done business with.