When I was younger, I used to argue with my mom about telephone numbers. I said that she should remember telephone numbers in case of an emergency and she would say that she could always look it up in the phone book.
So with today's technology, where books are kept online and you can Google anything, should you focus on content or knowledge or the process?
If content is accessible in a few clicks, it makes sense to focus on the process of problem-solving. So when students have trouble solving a word problem, the teacher should give the student the tools to solve the problem.
I often tell my econ students that the reason why they should learn econ is so that they can analyze decisions. I've given them the tools of econ, now they can use them to make informed and rational decisions.