Yeah, I think the Pness causes a need for discipline if I wanted to not strongly perceive anything and everything that gets interacted with. Anything can be a distracting obstacle, even thoughts. Classic ADD is more extroverted-sensing, though.
Also without a lot of inherent J, there doesn't seem like as much of a necessity unless something's truly urgent. Judgement of most things is closer to neutral. And it's the relying on perception to give information, that can also help out with not taking something so seriously until it's -there- staring me in the eye. (Though intuition adds a bit of flavor to that)