Originally Posted by
merlin90
https://www.aa.com/i18n/travel-info/...lub-access.jsp
This page suggests otherwise, though.
Qualifying AAdvantageŽ Executive Platinum, Platinum Pro and Platinum. For a limited time: Starting April 1, 2021, qualifying international flights will include flights between the U.S. and Canada, the Caribbean and Mexico. Includes customers on qualifying departing international flights marketed and operated by American or a oneworldŽ airline (regardless of cabin).
You're correct. AA must have updated this somewhere along the line as when they first introduced the new "temporary" rules it was for business class only.