Sure.
Because 3 letters agencies never, ever had backdoors in popular systems. It's not like the US had an illegal massive secret cabale dedicated to mass spying on its own population after all.
Luckily, Apple plateforms are notoriously open so it will be easy to check. It's great that we don't have to take their word for it after they lied about not being part of any PRISM-like program.
Anyways, all that doesn't matter much. Why would it be a problem when the economy, climate, international politics and the democracy are so stable these days? I can't see any reason why history would repeat and powerful entities would abuse any power they get.
Somebody who thinks like that would be a crazy tin hat conspirationist, and not at all a concerned citizen.
No, only the part of the population ready to spend hundred of dollars on an upgrade to get copy/paste must be capable of rational thinking. Anybody else is biased.