Actually Chaos, zeny sinks can only work ONE way.??By taking zeny out of the economy.??Preventing more zeny from entering the economy may accomplish many similar things and it may work similarly - but it is NOT the same thing.??
Also, your argument seems to be that we should increase the duration of battles and thus the number of potions used in them.??Sure!??Because protracted battles of repetitively mashing the same 2 or 3 keys is what makes the game MORE fun, right???That and increased amounts of farming.??Always my top two features when looking for new games.