The only thing more frustrating than a lawyer who lies in memos and briefs is a judge who refuse to call down the lawyer that did it. Part of the judge’s job is to rein in people who knowingly misquote cases or misquote the evidence in cases.
I am not talking about lawyers who make an argument based on decision that could be distinguished by the dimmest dimwit in the Bar. That is poor lawyering, but it is not dishonest. And there is nothing wrong with taking the strongest view of the facts supported by the record, particularly if you are entitled to take that position under the case law.
I am talking about people who routinely insert material into memoranda of law and briefs that is not true. That will stop if judges are willing to call the offending lawyer down on it.