That is called "doing you a favor".

This thread is what has finally pushed me into registering my name as a domain and begin transitioning off of gmail.

I don't think they will actually...

A credit card chargeback bans you from Google Pay/Wallet/Android Pay/Google merchant services/google shopping basket/gBilling/whatever it's called now and all services requiring payment. I think you can still use gmail/youtube/whatever.

You would think that the credit card companies would have 'fines' for companies that retaliate against their customers.

Something nice like $10k per violation.

There is no incentive for them to penalize anyone who generates lots of transaction fees. Especially as any I’ll will accrues to their customer (google) and not to them (visa et al)