Shopify, the Ottawa-based multinational e-commerce company, was faced with a dilemma this week: One of its customers was selling T-shirts with swastikas on them using its platform, and the company was facing pressure to take down the store. But oh, free speech! What to do, what to do?! That customer was rap superstar Kanye West, who now goes by Ye, and who also recently declared, during an apparent manic episode on X, that he was a “Nazi” who “love[s] Hitler” and thinks that antisemitism is “just some bullshit Jewish people made up.” Mr. West bought an ad that ran during...