I may be wrong on this Crunch but I expect the only reason they pop out at all is as a precursor to the upcoming multimonitor support.
In my definition, I have my multiple touch screens arrayed either for the overhead or center consoles so that things like my FMC are where they should be and I can operate them as the real thing. My panel is displayed without an outside view. The outside view is displayed on a curved monitor array so its like looking past the panel and out the windscreen.