Crucially, the headline says Microsoft will provide the key if asked by the FBI, which implies a state entity with legal power that extends beyond a typical person's assumptions of "rule of law" and "due process," let alone ethics.
Typical person assumes that FBI is chasing aliens (from outer space) and hardened criminals so bad the local police can't handle them. At least that's what American TV teaches us.
Now CIA, on the other hand, ... well, they won't need to ask for the crypto keys anyway.