What's the purpose? Is it for communicating? or a signed document?
Maybe the clay composition, the process of firing it and the final product serve as the signature of the company? Also tile can't be burnt while paper can be. Interesting idea.
It's amusing to think this was that company's loser boss version of firing by voicemail. New load of tile, you put all the tile on the roof, hey there's one extra, hey there's writing on it, aw what the hell!!?
Maybe the clay composition, the process of firing it and the final product serve as the signature of the company? Also tile can't be burnt while paper can be. Interesting idea.
"Psst, pass this tile up to that useless so and so John..." or "Hey, John, there's one tile left over, you can have it."
fun fact: this is the origin of being 'let go' coming to be known as "getting fired"