Executives are only now waking up to their collective blind spots

Another week, another wave of Elon Musk headlines. One of the most interesting of these to emerge recently, however, does not involve Twitter, the social media platform that Musk now owns. Instead, it relates to the revelations that executives at Tesla, the electric vehicle manufacturer that Musk founded, considered taking a stake last year in Glencore, the commodities trader.

The deal was never concluded. But the fact these…