In the Toronto market, where the majority of sales are powered by power-brokers, I would have to say the answer is yes. The sales centers are no longer doing the selling, it is the agents, and the should be powered by as much information as possible.
Furthermore, there is no hiding the information anymore. If you do not publish it, and keep it up to date, then sites like ours and agent sites will quickly publish the information.
So, in the current state of the Toronto market, the answer is yes.