Let's consider the evidence logically.
- It is edible by select populations, and is in fact considered quite fancy.
- It's a hardened form of a substance, produced through a process often described as rotting.
- It keeps well, and that's one of the things that makes it so desirable.
- You can add small bits to larger projects to make them better.
- The sight/smell can be offputting to those not used to it.
- The mere concept can induce revulsion in those not able to digest it.
- Yet it is so delicious that there are those who can't safely digest it and consume it anyway
- Often found in caves.
The similarities are shocking, and we must conclude that Warpstone is, in fact, cheese.