The panel is incredibly thin, but the base is a few inches, and the amount of space it will take up due to tilting the display is also a couple of inches. After a certain point, thinness is a meaningless aesthetic choice that serves no function whatsoever.
You can get it with a VESA mount instead of the base.
>meaningless aesthetic choice that serves no function whatsoever
"And we’re just getting started."
It is an Apple machine, yes.
Thinness has been frivolous aesthetics since Steve Jobs times. A thicker laptop will always mean better thermals, more silence, more battery, repairability, more ports.