They aim to make Rebellion a set where prices actually hold up which is the reason there are no reward packs and no discounts (and also why they made unlocks so expensive). Once they get dumped into wild however, it feels inevitable for their prices to totally crash as there is just no incentive for anyone to own them as there are way cheaper options available to get the same result. That's why now it's best to just dump all your cards and keep milking SPS with just soulbound cards.
I guess the moment where their paycheck really gets in danger is the time they might see all these major mistakes but by then it likely will be too late as it's much harder to reverse the damage done.