This. Why is it so difficult to understand?
We shouldn't trust Apple, Google, Microsoft (...) because they're inherently good. We should trust them because screwing up for them is much more financially risky than keeping up with their security promises.
That of course can not include Government interventions, which the companies cannot always reject. Regarding this, I trust Apple more than its competitors, based on recent history.
What's the incentive for mom&pop iPhone repair store to keep your phone safe? If your phone is in their control and someone from the FBI shows up commandeering them to modify something on it - they got the tools, so they're legally obliged to do it - what's their weight in opposing such an order?