The ferengi, despite being over-the-top capitalist, do have their moment of shine when they coyly remind humans their homeworld has yet to have a single war.
Economic wars are a thing in our own world, let alone that one.
These cause widescale deaths and famine.
It's doubtful that the ferengi never experienced widespread death and disabling injuries as a result of "Economic Warfare" between factions...
I mean, how does everyone think the Nagus became a thing? Monopolies don't form during a period absent rules without a whole lot of people dying...
The First Nagus wrote the Rules to ensure maintenance of his new status quo after having eliminated his enemies through economic activity and more importantly Assassination....