Does Katz 217; 3 skill model, i.e. explain leadership? Does it still hold in the Information Age? Is it true, for example, that top management must have a higher level of conceptual skills while managers on the floor do not? 

Need a discussion post on the following question..
Does Katz’ 3 skill model, i.e. explain leadership? Does it still “hold” in the Information Age? Is it true, for example, that top management must have a higher level of conceptual skills while managers “on the floor” do not? 
Please use the link below for the required reading.

Katz Three Skills