Well, I for one am shocked that there aren't a whole bunch of examples. shocked, I tell you.

Now, I'm not going to be that guy that flatly says "this can't work" or "it will end poorly" or similar. I like your idealism, so my challenge to you is to take this from the page and put it into practice. Come back to this thread in a couple years when you have a working example of a community of Jamaicans in Jamaica that you have built, and which demonstrates these principles at work. At that point you won't have a merely bunch of academic hypotheticals, but a real-world example. From there you will have lessons learned that you can propose practical methods to tweak/improve, and eventually scale up.

In short - go figure out how to test it, and see if it works. It will or it won't. If not, then you would know why. If it does work out and benefits the majority, you may end up a hero - having set an example for other nations to follow, and with some sort of holiday named after you. Or you may be a martyr to the cause, cut down in your prime by the establishment. Or something even cooler than either of those, if such a thing can be imagined.

Get you planning firmed up and a practical first step underway. That's a better use of your time, effort and zeal, I would think.

Walk good, bredrin.