I mean the judgement so far has essentially favored the players, no?
The temporary stay in the Eighth Circuit actually favors the owners, and it's expected that when (if) the court rules, it will be in favor of the owners.
The Player's Union can go the decertification route, but all it's likely to accomplish in the long-run is cost millions in legal fees, and a firm precedent against them.
Yes, the current outlook is thee owners are likely to win the particular case regarding the players having a right to stop the owners from locking them out.
The other battle yet to be determined is if the owners would have to pay the players eventually. I highly doubt any of the current contracts have provisions that allow the owners to not fulfill otherwise legally binding contracts absent an active CBA. Just don't see how it could possibly be legal. How long before the owners would have to pay, if they have to, is debatable.
I think the courts may have hinted at this as well. They have said neither side will be happy with the outcome, if a legal decision is forced. I believe this is the main reason the courts are allowing the owners and players to try to agree first.