If they were pulling a B/W and sticking solely to new mons, this would be understandable as they wanted to focus on the 'new' but the current idea seems like what happened with X/Y but without the Box fuck-ups as the cause.
>>38905143From what I've seen, the B/W situation is a 50/50 split with people who come for the new mons adoring it and people who like to bring their old team with them hating it.