If the plaintiffs are smart, they'll use Sony themselves calling digital licenses "owned" items, to say that Sony understood that licenses should be treated as

If the plaintiffs are smart, they'll use Sony themselves calling digital licenses "owned" items, to say that Sony understood that licenses should be treated as other owned objects -which would naturally entail the non-revocability of a purchase outside exigent circumstances like malfeasance- but are now trying to change that post-hoc, and argue the court should not let them.