If you have cloud billing issues, such as the crypto mining described here, you can reach a human and get it reverted at the other clouds. Not sure the author is making a valid comparison between cloud and company services. There are many horror stories of businesses on the Amazon store who have not been able to reach a human.
I've personally talked to Google Cloud support on many occasions and had billing disputes reversed.
I've personally talked to Google Cloud support on many occasions and had billing disputes reversed.