No one works harder than people whose lives are threatened [for example, by starvation] and they are working to not die.
The logical conclusion of this is that we should bring back slavery and extermination camps because that's how you maximize the efficiency from of humans. /s (obviously)
Anything that was designed be exploited was designed that way for a reason. You think Intel isn't aware of the security issues with how they designed their CPUs?
The gyroscope can record your speech: https://crypto.stanford.edu/gyrophone/files/gyromic.pdf
And no OS requires permissions for apps to access your motion sensors.
NiMH is perfect for an application like this, where the power draw is high but you don't need the batteries to retain charge while in standby for that long, so the high self-discharge rate is irrelevant.
Then you've developed a caffeine tolerance. I find that abstaining from caffeine for a week or two goes a long way to making it effective again.
There's a reason the French beheaded the clergy alongside the nobility.