Only few FlameKeepers get basic knowledge. There brains are too busy trying to concentrate from not blowing a dimension up

Those who are smart lack the fundamental power. They are often smaller and weaker. They can possess strength, but its painful.

A FlameKeeper doesn't need smarts because if they did they might (explode) themselves. There minds and body are not built for it, but they are not "dumb" nor "stupid" .

The smart ones often live outside the kingdom or even village. They isolate themselves so they don't get harrassed.

It is in the Nature of a FlameKeeper to establish dominance. They can be very protective over there mate at times and can even be hostile to there children if they feel threatened.

But one more, this is rare