In article , -hh
wrote:

... lightroom on a low end mac mini was faster than aperture on
a (then) top of the line powermac g5 and was not supported at all
on a mac mini.

Both of which are clearly the fault of the customers! /S

that particular bit was the fault of apple but the result was that
customers chose other products for that and other reasons.

apple did improve the speed in later versions but customers voted with
their wallets and aperture ultimately was canceled.