Exercising their first amendment rights to support an organization that broke the law is unequivocally legal, a healthy part of society, and not on the wrong side of the law.
Fwiw I think everything you're saying makes perfect sense. Regardless of the plaintiff and defendant's cases, the lawyers are there to ensure the judicial system is fair to the best of their ability. IA might be wrong, but EFF and their legal team are there to make sure they are fairly represented.
https://www.merriam-webster.com/dictionary/on%20the%20wrong%...
Exercising their first amendment rights to support an organization that broke the law is unequivocally legal, a healthy part of society, and not on the wrong side of the law.