I wouldn't say easier to make, everything just sells and costs twice as much. So even if you make twice the amount of zennie you'll still have to pay twice as much in auction house.
the problem people have is they say its easier to make money on a server. but what they dont say is that everythings a lotmore expensive so for example if you got 200kk on one server or version it may be a lot of money but on other servers its nothing more than pocket change
Well...i play on tw s1 since taiwan version came out and that's what i know:
Yes it is easy to make zenny on S1 cuz everything is expensive...so if you have a good drop you have good amount of zenny^^
BUT
Even if you make good zenny, you still can't buy the stuff you want cuz they are even more expensive....
and that's how S1 works xD (if you have 500kk+ you may could get the stuff you want, but with not that high effects xD) For example: crafted namek boots lvl 70 rare 25 con ...could easily cost 700kk+ xD