You make a good point and some Adobe products are amazing (but I do wish the Studio UI team would go back to the drawing board)
re: speculation -- a lot of proprietary software designs rely on "security by obscurity" with plenty of secret stuff that no one is supposed to ever find about.
Did you RTFA?
This is slashdot, right?
the problem has always been that it would cost too much to change -- all the tooling (i.e. steel dies, taps, etc) would have to be changed. It would also make it more costly to replace components. Instead of just buying a 9/16" socket head cap screw for $2.00 it would mean re-tapping the hole for 14mm for $45
Where it's free and painless it has already been done, e.g. soft drinks come in liters
We have encountered the Borg
Trying to be happy is like trying to build a machine for which the only specification is that it should run noiselessly.