[Luxoris]

You are assuming that actions always are indicative of preferences, which is a core AC assumption that is not universally accepted.

It also ignores that more complete information might change people's preferences, and that if sellers have a vested interest in withholding information, consumers preferences may be influenced.

Eg in this case, at least so far, it would appear that PS and FT have made a decision that the doubt raised about the entire industry by more widespread exposure of AP would hurt the market overall more than it would shift business away from AP and toward them. Ie they are influencing the preferences of the market, not adapting their business to "absolute" preferences.