This is the double edge sword with these, "Bungie flips a switch" mysteries/quest lines. There is absolutely no point in trying to explore these paths when seemingly all we have to do is wait another week for another switch to flip. Any time I butt up against something mysterious, my reaction will be...wait it out. Because as with Oryx's BBall court, you can waste a ton of time for dead ends. Or with the Praedyth ghosts, rush to hit a dead end. It isn't fun knowing that every mysterious discovery that hits a dead end could just be an artificial barrier intentionally withed by Bungie and not some thing the community needs to unravel.
If they want to continuously release little bits of content and gear through these time gated quests, I'm all for it. But the "secret' stuff sloppily littered all over the game that is pointless until Bungie tells you it is valid, is really lame and defeats the purpose of having secrets to uncover.