I once saw this funny take on time management by J. Blow, and now I cannot help myself but remember it every time todo-lists are mentioned [1].
I think the measurement focus is useful as you will naturally react to the measurement and that will affect your behaviour.
And those things are absolutely essential when you constantly have more things to do than you can finish in one day, and with interdependencies on other people's work.
Preferring "actually doing the work" on stuff that is easy to finish because that is encouraged by your measurement could be quite disasteous,if it causes you to delay more important things, or to fail to address things that block other people.