Given the reality that there are a lot of people who [fairly or unfairly] judge anything that uses "AI" in a decisively negative way, what possible advantage is there in giving people a reason to dismiss your project without evaluating it on its own merits?
AIx is an open standard for disclosing AI involvement in software projects - expressed through the language of authorship. Not a judgment. Just transparency.
"AIX®" is also a registered trademark of International Business Machines Corporation (IBM) and used for the AIX® operating system that is still in use today.