I know I am being argumentative here on this thread and that my T just like everyone's T is overworked and underpaid. She likely has 30+ patients all attention deprived, looking caring, and trying desperate measure to get it. Emailing, leaving phone messages, maybe even stalking her to get a seemingly random encounter in the grocery store (lol). I would not want to be a T. I think my T is not perfect but she is doing a great job at meeting my real needs.
I am very thankful for the time that she does give me. And I also know that wanting a reply and truly needing one are two different things. If she is faced daily with trying to choose who she really needs to contact immediately and who is just feeling low and wanting some attention, it make sense that including an explicit statement saying "CONTACT ME, LIKE NOW" is certainly a reasonable rule.