The answer depends on the risk profile of your situation. If you are the military then you have much more to lose from something random and unexpected than to gain from it. So it makes sense to eliminate the quadrant IV.

If you are in a different situation, say a student or an early career employee, the upside of Quadrant I and II are probably known and limited. Though Quadrant IV can potentially bring in large unknown gains. Example, minting bitcoins in 2010 was unimportant and non urgent activity, those who did this activity gained a ton.