They have. Repeatedly.

I actually kind of like the raid lair idea, but only because to me, this seems like a more sustainable model for adding content faster. D1 struggled a lot with timing, and with d2 the plan is to be two DLCs in by the end of spring 2018, I don’t see anything wrong with raid encounters all taking place on a massive…

And of course the weapons in their hands.

Is this anything like quoting sources that say they work for Bungie but provide no actual proof? Well to be honest it isn't, but it's still good advertising.