Exactly, because a person can eat batteries and rocks if they so choose, which means those things are edible.

Secondly, the amanita muscaria pictured has been repeatedly consumed throughout history (most notably by viking raiders who were looking to get their raping and plundering done in “berserk” mode, with only fuzzy memories afterwards of whether all that shit really happened or not)

I think the more precise question would be “is this object ‘comestible’, ‘digestable’, or able to be survived if eaten”