I would say four is even better - I have one dedicated to terminal with logging output which might be different/additional to the actual end output of my progra

I would say four is even better - I have one dedicated to terminal with logging output which might be different/additional to the actual end output of my program, but I agree with your sentiment and disagree strongly with the article. The final nail in the coffin: Limiting yourself to a single monitor is not going to solve your distraction problem.