That is one of the more silly statements on here today.
Linear thinking has nothing to do with asking or not asking questions. It simply means you get one answer before going on to another question.
Main Entry: linear thinking Part of Speech: n Definition: a process of thought following known cycles or step-by-step progression where a response to a step must be elicited before another step is taken
That's your interpretation.
Sounds like "tunnel-vision" a common, know-it-all affliction.