That would be a logical reason. shhs is canonically British because of the stabbings, so a school shooting would invert the reality force and cause permadeath.
It's not necessarily that people won't understand the words, more like it just sounds unnatural. Most people aren't used to reading that many larger words so close together.
Abyss of Procrastination
Forms a completely black infinite expanse which makes anyone inside the domain including the user instantly lose all motivation. Anyone who is already reluctant to fight is immune.
Putting a minotaur in any environment other than a maze used for executions kind of ruins it, as the maze plays to its strengths and weakens the already weak humans.