Cook said this, the Guardian reported, as the school prepared to adopt to Apple's coding curriculum. Every student got an iPad, and Cook told them that learning to code is more important than speaking a second language.
Yet, the CEO disclaimed, "I'm not a person that says we've achieved success if you're using [technology] all the time."
Thus his caution about social media, which seems to be one of the few forms of popular technology that Apple is not actively trying to develop and sell.
It's already in the computer business, the tablet business, the music-streaming business, TVs, phones, AI, personal assistants, clouds, watches, working out. You name it, and there's most likely an Apple thing for that.
Incidentally, Apple's brand image took a hit last month when it was caught intentionally slowing down some iPhones, which despite the company's denials, many people suspected was a ploy to keep them buying new ones.
Subsequently, the Washington Post reported, two of Apple's largest shareholders and a former executive suggested the company may be getting children addicted to iPhones - whether they used them for Facebook, Ping or otherwise.