oil slinger - yes or no?

I always run them. Absolutely no reason to not run one and possible issues I see with not running it - all of which have been mentioned.
More torque? In a college physics class once we had to calculate our own gravitational pull. The fact that each of us has one doesn't mean things will orbit around us. You're WAAAAAYYYYY overthinking it... And that's from someone who gets beat up for overthinking.