thats only apple , even microsoft offers support for older pc from the same age as the g4 , g5 Mac's , for example windows 7 has as a minimum requirement of a 1ghz 32 bit or 64 bit processor , and i def works on intel P3 processors and on the K6 from AMD which both are from ....1999 ? .... 2000? , so microsoft supports with his newest operating system from 2009 computers which are over 10 years old !!! and windows XP supports even lower spec so much much older systems PC with 300 megahertz or higher processor clock speed recommended; 233 MHz minimum required (single or dual processor system);* Intel Pentium/Celeron family, or AMD K6/Athlon/Duron family,which are computers from the mid end 90's of the last century aehm... do not start with what the different linux distros support as that would need to much space
but as i always compare windows operating systems with Mac osx versions i put osx tiger as a equivalent to windows xp , so and as i do not like osx leopard very much i put it always into the position of windows vista equivalent , as like vista osx leopard was just a stopgap for snow leopard , so it would have been nice from apple to bring full support to osx tiger , the reason for tiger is as it does run on the G3 processors too
and its just my opinion , transition to intel was bad , but unavoidable at that point , so i dont start about that again , but i find apple should care more about its heritage , because without the G3 and G4 powerpc Mac's Apple would not be here now , the iMac G3 rescued apple from going bankrupt and how does apple say thank you ....we stop support for ppc Mac's 🙁, so now its of my chest for a while 😀