Just a thought/theory , Skele-MC, is living in a virtual world that was originally a video game, sort of like SOA. Just like people who believe life is a simulation, for him life really is a simulation, in this case a video game. That's why only some people can access the status window, its a glitch in the game that NPC's have access to what was originally meant for players. When a player dies they return to a previous save state, somehow Skele-MC got glitched into that system and because of the file corruption previous states wont always be the same.