> As the commission is the executive branch, candidates are chosen individually by the 27 national governments. Within the EU, the legitimacy of the commission is mainly drawn from the vote of approval that is required from the European Parliament, along with its power to dismiss the body.
So, the part of the EU appointed by member governments is the part driving this. The EU (as often) is being used here as a scapegoat for anti-democratic policies desired by national governments.