How is this any different than Microsoft? I suspect all of the big four use AD and Windows in their enterprise yet that isn’t a dealbreaker for auditing MS’ financials.
Are you honestly trying to imply that Excel is as easy to invisibly manipulate as ChatGPT?
Neither Active Directory nor the Windows desktop operating system are a primary factor in accounting with respect to a bigcorp. They can have some secondary compliance-type effects on e.g. network backups and policy enforcement, but are not a primary threat to GAAP eligibility for the S&P500 like generative AI is.