Yes they do, and yes she did.
Sorry, no. "My position is right because all the top scientists agree with me" is an argument from authority, but that doesn't make my position wrong. "You're wrong because you're a creationist" is an ad hominem, but that doesn't make your position right.
exDemMom didn't say she was right because those sources agreed with her. She made her own arguments for evolution. She just recommended further reading if you wanted to understand them.