At least Chen Xi absolutely does not dare to carry out such a degree of reform in the Central Plains now. As for the aristocratic families dispatched abroad, even if they create noble socialism locally, it's no big deal; let them do it.
Sending that group of aristocratic families to establish those semi-independent small nations is part of clearing internal issues while expanding the Han Cultural Circle. The most important aspect is letting them experiment with various governance systems, and with several hundred aristocratic families attempting hundreds of systems, there's bound to be some that will be suitable through trial and error...
The Great Han Dynasty does not dare to play with changes that are too tumultuous, as it affects too many people's lives. However, the limitations of the feudal system long ago destined it to failure, even if Chen Xi uses heavenly power to extend the life of the Han Dynasty, it inevitably will come to an end one day.
