In the case of the teacher, I don't think it was the medium by which they were communicating that was the problem. I think the OP dodged a bullet, there. I think he had personality issues. Projecting his own disinterest and lack of engagement onto her, when she was the one making most of the effort? Some kind of personality disorder.
And the lawyer was just a whiny, negative guy. It happens. Just move on through the catalog to the next ones. It's all just part of the process. Don't get hung up on the details.