Earlier quoted context omitted.
This is why, if I ever manage, my focus will be on timely deliverables and not on time-at-desk. Give me a day when you think you can deliver something, update me as soon as you realize you can't ("manage expectations"), and do whatever you want with the rest of your time...
That sounds lovely in theory but gets tricky quick with employees who give you estimates that seem too high, and then don't even meet those. And then you have to figure out if they need help, if they're over their head, if they're being lazy, if they're getting interrupted by stuff that's not on your radar, or WTF is really going on, and if (a) they're not telling you and (b) you have no visibility into their day (sa…
This is pretty much the definition of an estimate in software.