America First Legal recently noted that over the past decade, at least 80 percent of the ABA’s Supreme Court amicus briefs advanced progressive outcomes, with none supporting conservative legal positions. The ABA has, for example, consistently argued for the losing perspective on abortion, gender identity, gun control, and affirmative action. It has even gone so far as to argue that the Equal Rights Amendment was ratified — a position so untenable that even the Department of Justice and Justice Ruth Bader Ginsburg laughed it off.
"Reading the law" was the old method. Some states still allow it.
More details on that system here: https://www.lawcrossing.com/article/2119/Self-Made-Lawyers/