After the failed insurrection at the US Capitol building, an event irreconcilably both absurd and frightening, Donald Trump, for so long a master of the attention economy, finally got ‘cancelled’. While many of his Republican colleagues made a last-minute decision (motivated by self-interest) to dump him, the real blow for Trump was the response by corporate America. Facebook and Twitter blocked the president’s social-media accounts, Shopify terminated stores affiliated with him, YouTube removed channels questioning…