If liberalisation were a means to improve energy policy, it could be debated whether it is the best means to achieve that end. If liberalisation is the goal, there's no debate on it.
And, if you think about it, the Commission's job is to further the single market.
This is beginning to read like Stiglitz's critique of the IMF. A vivid image of what should exist acts as a surrogate for reality. Pursuit of the image then prevents pursuit of the reality -- John K. Galbraith
But I guess they're serious people so we DFHs should just shut up keep to the Fen Causeway