Fintan O'Toole is one of the best political-cultural journalists writing in mainstream periodicals today. He is not the courageous investigative reporter that Patrick Cockburn is, but he has his mind and understanding and knowledge too.
My view is this essay is genuinely explanatory about the particulars of the destructive vortex about to destroy so much -- how it grows and that few predatory capitalists can grow rich and a few Tories stay in power. Generalizing out myself, I'd say humanity never learns because of the way power is given out, the way groups and their leaders form. Decent people don't rise to the top unless they are "A" personalities or ruthless/ambitious (the qualities are rare together) and then all others in the local arrangement for power and money fall into place, follow suit. Once you see this how many odd events in history are explained.
O'Toole wrote a fine book on Richard Brinsley Sheridan:
From the New York Review of Books:
How Brexit broke up Britain:
A sticker reading “No Border, No Brexit” on a road sign near the “Hands Across The Divide” sculpture, Derry, Northern Ireland, July 22, 2018
One of week's most important topics and the most explanatory essay about it,