This should be the norm for all devices with built-in lithium battery charging. Default to a low attrition end voltage, and a simple hardware control to temporarily enable full capacity charging in anticipation of a particularly long off-grid phase.
But dead batteries are what keeps the economy spinning, so it must be in all our best interest that the self-optimizing algorithm of capitalism decidedly skips on this particular efficiency gain, right?
After about a year, there has not been a noticable degradation in battery life (and I have noticed it in past laptops).