Tesla Inc. Chief Executive Elon Musk for years has used Twitter to combat critics in ways that few other business leaders would dare. His latest outburst on the platform, though, was extreme even by his standards.
Mr. Musk took offense at comments from a British cave explorer who dismissed the billionaire entrepreneur’s efforts to rescue the youth soccer team trapped in a Thailand cave as an ill-informed public-relations stunt. He suggested the critic, Vern Unsworth, was a pedophile in a tweet Sunday.
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