In theory, nothing. In practice, half as much of what’s wrong with conservatism. But I was referring to “enlightened centrism” is more specific: the tendency to position oneself in the middle of two ‘extremes’ because it’s a comfortable position, to play a role of enlightened by always taking a both-sides stance. That’s what I’m referring to as a fantasy, because we know that in practice, for the core issues of politics, almost always there is a wrong side of history stance.