Silicon Valley moguls seem to believe they can fix almost anything, and they appear befuddled when their attempts to do so aren't met with unbridled enthusiasm.

Tech billionaire Elon Musk was among the millions of people captivated by the plight of the 12 boys and their soccer coach recently trapped in a cave in Thailand. But Mr Musk didn't just follow the story on the news and social media; he has vast resources, so he also tried to help.