One of the supposed advantages of capitalist domination of our economies is that a group of profit seeking elites would at least put their thumb on the scale to stop economic self-owns like Brexit, instead the elites enthusiastically supported it at every juncture.
Excluding actual wars, Brexit is one of the greatest own-goals of all time. Britain and Europe had forged something their finest leaders and intellectuals considered an impossible dream: an alliance of shared prosperity.
Then Britain tore it up in a fit of nativist dipshittery.
Time after time in every era, we find that the wealthy oligarchs *oppose* policies that would lead to faster economic growth and they welcome destructive reactionary economic measures because they'd always rather protect their power than grow their wealth.