And I replied that (a) For people with big fat calloused fingers like mine, it's sometimes hard to tell the difference between the IR emitter and the battery hatch, and (b) a nub on the enter button also helps one navigate the buttons without looking at it (less counting up up, left left and getting lost).

I mean, why do they put the bumps on the F and J keys, when one could easily start with the Escape key and count down 3 and over 4?