Bet Hillel vs. Bet Shammai

Who makes for a better defense attorney or advocate - a lawyer that used to be a prosecutor, or one that is not familiar with how the DA works?

Who makes for a better tax preparer - a former IRS agent or one who only knows the basics of tax preparation?

Who makes for the more successful Martial Artist, one who knows only his own weapons? Or one who fully understands his adversary?

«p91 In order to achieve victory you must place yourself in your opponent's skin. If you don't understand yourself, you will lose one hundred percent of the time. If you understand your self, you will win fifty percent of the time. If you understand yourself and your opponent, you will win one hundred percent of the time.

--Tsutomu Oshima»

Zen in the Martial Arts - Jozef's blog
http://blog.kutej.net/2012/06/zen-in-the-martial-arts.html

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And so Dear Reader, who makes for a Better Poseik? A Poseik who knows ONLY his own point of view? Or a Poseik who can empathize with both sides?

Halachah is like Bet Hillel. Perhaps meaning, we DECIDE Halachah based upon a "fair and balanced" process of evaluating both or multiple positions.
Because Bet Hillel articulated Bet Shammai's positions first, he could empathize with both positions.

Kol Tuv,
RRW