Why would they need to come out and make an official statement? In fact that would be horrendous marketing from them.
With Nintendo reaping the benefits of consoles sold for profit with other companies making losses on consoles then would that not make people think they should be lowering the price etc?
Companies announce their turnover and profits at the end of each financial year which Nintendo have continued to do, why would they need to make official what they make off each console?
As for your point about the software, yes indeed profits to be made there but let me put this figure into perspective....
85 million consoles sold....$6 Operating Profit each....
$510,000,000 operating profit from console sales alone, believe me Nintendo did the right thing with the Wii in which to turn a great profit on their console alone
Easily funded their new consoles development and they could easily subsidise prices of the console/controller if they wanted but I suspect they will still somehow sell at a profit again