not sure this was noted at the time (?), but since 1 december 2024 JAL have now joined OB. more chances to collect points which you can't log on to see, and can't manage to book with on the website
https://iag.showpad.com/share/ChcIjzfAf5bMFkHuX6R60
Japan Airlines to participate in the On Business programme
Japan Airlines’ (JAL) is now participating in our On Business programme as an airline partner. Customers can now earn On Business points and have access to On Business discounts on JAL-marketed flights.