Looking at the pictures, no one looked delighted to be there. Tim Cook in particular looked like he been asked to eat week-old dog shit, to be frank. Attendance is a necssary evil, like your mother making you take cod liver oil to "keep you regular" when you were a kid
These could be the opening shots in a long and messy few years, as tech companies rub up against a thin-skinned and authoritarian lower order primate. But hey, he's a smart guy. Who needs intelligence briefings, eh? Not like that dumb Obama guy. Sad!