Billionaire hedge fund manager Bill Ackman was in the news after he called on the presidents of Harvard, MIT and the University of Pennsylvania to “resign in disgrace” following their testimony at a congressional hearing on anti-Semitism on campus. Ackman routinely offers forthright opinions to his 949,000 followers on X/Twitter, but he was more forgiving recently regarding another person facing accusations of anti-Semitism – Elon Musk. Major advertisers have deserted X since Musk described an anti-Semitic tweet as the “actual truth”. Musk didn’t help matters when he subsequently told advertisers to “go f*** themselves” at a New York Times event....