Something I've been noticing lately is the disappearance of the “power user”. Someone who's not a programer, but has learned lots of smart and efficient ways to getting their computer work done over the years. Shortcuts (keyboard or otherwise), click-hold-cmd-tab-drop or similar patterns, tags/labels for deep file organization, etc. It seems like there's now a much wider gap between the smartphone tap-only user and…
Given solid UI design, the security tradeoff is probably worth it if the two are actually connected.