These problems are quite common, to the point that if you go to an Apple Store and tell one of the “geniuses” that you have missing (or doubled) key actuations,

These problems are quite common, to the point that if you go to an Apple Store and tell one of the “geniuses” that you have missing (or doubled) key actuations, they’ll knowingly sigh and start filling out the paperwork to send your laptop off for a keyboard replacement. Obviously “quite common” is not the same as “at least one person in every office will run into this”. The problem is not whether your environment is pristine. The mechanism is just unreliable. Some people end up with keys not working after a few weeks of limited and careful use. My guess is that the tiny parts relatively easily get into some kind of subtle misalignment. The basic design is sound enough. I think with another few generations of engineering tweaks they can get these keyboards working as expected. In the mean time it’s pretty frustrating though.