My old G3 600 is running OS 10.3 with 256MB RAM and it runs fine. My iMac G4 800 is running 10.3 also but with 768 MB and I can barely tell a difference.
This list was stupid and pointless almost all of these things were just opinions. ie:
#4 - The whole idea of macs is that they are 20 steps ahead of Micro$oft. They started shipping with DVD drives because smart people use macs. People who need power and innovation.
The point is that the person who wrote this article is a complete idiot. The only apple mistakes I see are maybe 10 and 1
No One is Perfect: Ten Apple Mistakes Since the Return of Steve jobs