[xutopia]

He saves us time that's why.

[jarek]

If your time was that valuable, you wouldn't be reading HN right now.

[adamhowell]

Blindly working heads down in an industry you know nothing about because you don't stay up-to-date isn't a good use of your time, either.

[jarek]

Of course it isn't, but there are many ways to stay up to date more time-efficient than HN and DF if you care primarily about the time expenditure.