Indeed, let's retire all metrics! Not one of them measures everything that matters!
Extra points for using both the "slippery slope" fallacy (retire 1 metric = might as well suggest retiring all), and the wrong idea that "no metric measures anything that matters".
There are metrics that do capture everything that matters in their domain. Whole factories are operated, and manage to run smoothly, not to be blown off etc, by monitoring such metrics.
If TFA had said "they don't measure everything" you'd be justified, but it says "everything that matters" (and of course, "about the domain we want to measure" goes without saying).