Although the present, multicultural setting of Western countries cannot be said to be giving life to an actual neo-medieval condition of legal pluralism, the coexistence of multiple normative bodies, I will insist, is likely to prompt a far-reaching revision of the monist structure of liberal legal orders.Croce indeed holds out hope that the result of a plurality of legal regimes would allow "individuals [to] act as direct and active producers of multiple legal options and models that best meet their needs and requirements."
Pluralist that I am (see my Principled Pluralism and Contract Remedies here), I must admit that I am not as sanguine about the future as Croce. First, the modern state is not about to retreat from its current monopoly on coercive power. I'm afraid it will take as violent an upheaval as the so-called Wars of Religion to get the state to release its firm grasp on power. And, until it does, most groups will fight for control of that power rather than seeking to establish a variety of plural regimes.
Second, Croce does not address the behind-the-scenes but nonetheless real power of multi-national business organizations. Such powerful non-state actors have grown accustomed to using the seemingly democratic levers of power to have their own ways in many states. To the extent that a plurality of legal systems would undercut the uniformity of commercial power, we can expect such actors to press for continuing state monopolies over those systems.
Nonetheless, I commend Croce's analysis to my readers' attention.