Despite all the flames; there's plenty of actual honest "this is what I think and why" that wouldn't be tolerated elsewhere because its a controversial topic. That's worthy.
It may not be pleasant now, but perhaps its the fertilizer from which some flowers of enlightenment will sprout.
Yes, deplatforming is the way to go.
It's The Economist, they're their own platform to support whatever content they want. Banning them from HN will hardly have any impact. It's not like banning a single individual.