I don't think it was a good idea. Lv.X's are really cool, but two in a set is ridiculous. They need to make Lv.X's like they made ex's. Too many good Pokemon won't get a Lv.X form at this rate.
I don't really like the low number of Lv. Xs in a set, but they are way better than exs. In SW, we also got 2 nice Lv. Xs, so that's not bad. Besides, based on caculations, we are going to get 6 Lv. X in the next set.