I don't think it's too abstract. It contains plenty of geometrical intuition. And it makes things very clear and he says them very _early_. E.g., a matrix repre

I don't think it's too abstract. It contains plenty of geometrical intuition. And it makes things very clear and he says them very _early_. E.g., a matrix represents a linear transformation. It took me ages to understand this at high school because I was lost in a sea of matrices.