I feel Certified Public Accountants are the boss of the society because if they cannot sign the document for business, the company cannot function. Is there any career that has power to control them despite of their accounting power?

My girlfriend has a CPA and worked for Ernest and Young for 4 years, hardly the boss of society. More like 60-80 hour work weeks for a mere 80k or so. At some point it goes up to 120 hours. Slavery I'd call it! And it's not exciting work either from what I gather.