public function respectThreshold($wantedLevel) {
		// If not threshold is given, always display the rule
		if (is_null($wantedLevel)) {
			return true;
		}

		$currentValue = $this->getLevelNumericalValue($this->level);
		$wantedValue = $this->getLevelNumericalValue($wantedLevel);

		return  $currentValue >= $wantedValue;
	}