As I wrote "some of us" prefer smaller/single screens for focus. If it doesn't work for you, or if you can manage NOT to get distracted by 5 open windows in 2 x 24" monitors, then more power to you.
Aah. I'd say real programmers use debugger when they make sense -- but lots of programmers use them to jump around checking this and that without any reasoning what is going on, and thus taking 5x the time of a simple printf.