Because they have to be “fresh” teeth.
You could ask why tooth fairies don’t hang out in morgues waiting for recently dead children… they do! They just need more teeth than that so they have to use risk the sleeping live children and pay for them.
Plus someone would notice if the teeth were missing from the children after they die.
Multiplexer@discuss.tchncs.de 5 days ago
It’s propably also an question of economics.
Renting an excavator to dig a 2m deep hole + extensive carpentry and dental work…
Sooo much easier and cost efficient to just pay an Euro and get 100% merchandize!