You owe it to yourself to learn ( I read it somewhere in this thread). This is the biggest take away from this.
I agree 4 hrs week is a byte to much.
But I disagree with you on some level.
Because no one really controls what we do as Doctors or Lawyers. And I believe our world turns faster than other disciplines. So we have to put in more hours. And if we don't keep updating ourselves, we contribute to the death of the discipline. It obviously won't die, but it will however make many miserable.
We're a place where coders share, stay up-to-date and grow their careers.
We strive for transparency and don't collect excess data.