Has anyone actually been locked out of Gmail because of a google cloud bill? I don't think they are connected in the sense that your Gmail/Youtube/Android etc a

Has anyone actually been locked out of Gmail because of a google cloud bill? I don't think they are connected in the sense that your Gmail/Youtube/Android etc account will stop working if you don't pay. Same with Amazon accounts and AWS bills for that matter. I understand the concern though... and using separate accounts is probably best practice.