Some people don't have patience with ultra slow conversation like though IP relay, or text based relay. I have asked several hearing people, they hated it so much because if they work for a company, it hurts their performance. Many calling centers have their performance report and if boss sees an employee on phone call for an hour, and see only little result and will scrutize that poor employee. For example boss will ask employee, I see only one order, why are you taking an hour on call? Are you trying to abuse it? That thing gets hearing employees more nervous about. Also, other is security issue, many hearing people would assume it is scammers.
I have alot less problems with Video relay calls than any text based relay.
