Ask yourself, what can the Amiga architecture do that other machines can't presently ..?
Answers: well other machines can't...
Play Paula audio with the exact same same quality that the paula actually produces...
Display interlace screens with the same annoying flicker that I actually quite like...
Run 68k code without the use of an emulator of some kind...
Beat the Amiga's bootup time...
Run lots of progs on only 2meg of chip ram...
They don't do screen dragging...
Allow you to get involved in a mad bidding war on ebay to pay a crazy price for a decade old or more piece of kit...
and many other quirks of the Amiga too numerable to mention...