An explanation of what led to the "real-time call" is always a plus. Otherwise, they're pretty useless.
Yeah, that would be a plus. But I wouldn't say that they're otherwise "useless."
Watching someone 'win' is interesting in and of itself. Like watching Evel Knievel make the jump--for an off-the-cuff example. "Useless," but enjoyable, none-the-less...for me, at least.
Technically, most forms of entertainment are "useless."
