€25 euro is exorbitant?? For a condiment you are meant to use extremely small quantities of?
I mean I get the point, but a bottle like this can last you months, it's not exactly bank breaking.
You can get very premium Vietnamese fish sauces (also just anchovies and salt) which are smoked and aged in Bourbon barrels for years... for about 1/3rd the price.
Well, you're kind of missing the economy of scale. If it ever became more popular, I'm sure the price would drop.
I wouldn't be surprised if the price went up if it became popular at its price. Definite Veblen good vibes.