Whether you can get it in a deterministic way or not does not change that you want it. It just makes the acquisition more frustrating. Imagine letting us have fun by acquiring it and using it.
The raids already release overtuned. It would make little difference except maybe make an extra round of nerfs unnecessary.
Yes, season 4 delivered fun. We really shouldn't expect that.
Result: Participation down by half. Seems to be working well!