In some ways, this sounds pretty fishy - I mean, it's hard to test the reality of a universe that hides its true nature from us by not allowing us to test or observe its true nature.
The idea is simple: if a country is producing and selling something at a big discount to what others are charging, there is probably something fishy going on.
Normally curry from south Thailand is just punching, like really spicy and you need it for this cuisine and this dish, because is wash out the smell of the fishy.