And what is the Truth, since you seem to know so much about both the legal profession and the Truth? I once litigated a patent case where a key infringement question was whether a headphone whose rear cavity was sufficiently leaky had a meaningful acoustical compliance that could be compared to another acoustical compliance. One side said yes, the other side said no. There were no textbooks that addressed the exact configuration in question. Both sides had experts. I was genuinely thoroughly convinced that our side was right, and I thought our expert was more qualified. But it never crossed my mind to accuse opposing counsel of misconduct because they espoused a credible position that was favorable to their client and that I disagreed with. The case settled, so there was never a final determination of which side was right. But since you have the key to all Truth in the universe, perhaps you could share with me the True Answer to this puzzle.
By the way, you miss the whole point of what lawyers do in litigation. (Plenty of lawyers write contracts all day. All I do these days is write patent applications all day.) They are not there to search for some final, objective Truth. Usually, there is no final, objective Truth. They are there as advocates. Their purpose is to make the best case they can for the one of many possible interpretations of law or facts that is most favorable to their clients.
In other words, if you are searching for some ultimate, philosophical Truth, call a priest. If you are searching for a falsifiable model of an objective phenomenon, call a scientist. If you have been accused of, for example, "Reckless Endangerment," and you want somebody who will zealously argue that your particular behavior was not "reckless" according to the statutory definition, hire a lawyer.