In my opinion a balanced combination of helps you in a long way . A teacher as well the students must work in a way that both the areas are met.

When a general knowledge is connected to the content that gives current value to that knowledge. Today's general knowledge is tomorrows content.

So a teachy without general awareness will be able to deal with the students in a classroom

Is general knowledge more important than content knowledge ? Give reasons

How can we inculcate the responsibility as a citizen of a country in our students?

How to manage the most naughty students in the class in 35 minutes?

Is inclusive education helpful for the society?

How to understand the psyche of every student of your classroom?

Why a fresher is regarded less skilled as compared to an experienced teacher?