[sofixa]

If they offer support for some cases, especially complicated cases like those, they'll get bombarded with all sorts of questions anyways (if you've never heard an IT person get asked about coffee machines "because they're tech" or to help out with somebody's personal phone/PC/whatever, i suggest you visit Reddit, more specifically r/sysadmin and r/talesfromtechsupport. It makes for fun, albeit sad reading.

And discarding that, it's a tough balancing act between helping users recover accounts without helping malicious actors takeover accounts and/or helping malicious actors keep malicious accounts. It'd take effort to train personnel and establish policies to do all that properly.

And regarding customer loyalty, why do you think Google care about that? It really doesn't seem like they do, and financially, their revenue per customer is negligible for that to make a difference.