3 reasons the American Revolution was a mistake

3 reasons the American Revolution was a mistake - Vox:
"This July 4, let's not mince words: American independence in 1776 was a monumental mistake. 
We should be mourning the fact that we left the United Kingdom, not cheering it.
Of course, evaluating the wisdom of the American Revolution means dealing with counterfactuals.
As any historian would tell you, this is a messy business.
We obviously can't be entirely sure how America would have fared if it had stayed in the British Empire longer, perhaps gaining independence a century or so later, along with Canada.
But I'm reasonably confident a world in which the revolution never happened would be better than the one we live in now, for three main reasons:
Slavery would've been abolished earlier,
American Indians would've faced rampant persecution but not the outright ethnic cleansing Andrew Jackson and other American leaders perpetrated, and America would have a parliamentary system of government that makes policymaking easier and lessens the risk of democratic collapse..."