Something I've noticed is that nowhere does this guy mention he has FFXI. Maybe I'm missing something but you do need FFXI to play the expansion. For PS2 this is basically impossible now. It's difficult to even get the expansion. If you are totally new to FFXI you will need:

The old fatboy PS2
The big package with FFXI and HDD (80 bucks or so)
Internet connection
Credit Card (12.95/mo)

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On the topic of the difficult and jobism of CoP. Yes I hate the jobism but like you say it's not SEs fault and honestly none of the BCs are too hard. Looking back it seems like I had the most trouble on Promyvions but this is only because most people just starting on CoP don't want to spend the time to farm anima and won't pay for decent cap gear or food or other supplies they really need for this type of BC.

I made it through most of CoP with a static and I can't really see it happening any other way. You need a group of people you work well with pretty much from 5-3 onward. Any job can be very very useful within a smart static group but finding one is hard and yes the players are mostly idiots. Everyone wants BLM or SMN onry for everything in this game.