VIDEOS:
"Because of Metacritic."
After taking a jab at Canon Kayaba's "I Don't Even Remember", Abridged Kayaba states that the reason behind everything that happened in SAO was because he was extremely exhausted from programming the game three weeks straight, with the Players dying with their Avatars was because of a glitch he created accidentally and his attempts at covering it up.
Example of:
Exhaustion-Induced Idiocy