Can't find this now but google did at least once disable company's accounts after dev got their account suspended.

And as we know from the recent Gemini ban wave, you can get suspended just because.

Everyone needs a defensible root of trust, this goes all the way down to the registrar you use for your domain.

> google knows it's the same household as the parent,

Nearly all these linkages are due to people sharing recovery email addresses and phone numbers. Don't do that.