Everyone has different techniques and management ideas, no one crew will do things the same way another crew will.
The cargo compartment on the A320 has sufficient fire suppression that under most circumstances likely to be encountered, the end result of a few minutes is unlikely to be any different.
Not to say a fire/smoke warning should be disregarded as non-urgent, but a safer result is going to be a landing at an airport where the crew can obtain adequate information beforehand and process it so as to not lose situational awareness, vs saving a few minutes by simply “point and aim”.
But..... you’re flames are coming out the sides and it’s about to be catastrophic, then point and shoot!