Do people really have that much of an issue with it? In my brain it is much like left-vs-right-side-driving; just a mode in my brain. The first couple of secon

Do people really have that much of an issue with it? In my brain it is much like left-vs-right-side-driving; just a mode in my brain. The first couple of seconds using it differently are confusing, then _click_, brain switches over. Maybe this only happens if you regularly need to use different machines.