So do MS, and PS, that's why we hear about exclusive content, and such for big titles like 60 minutes of exclusive content for Watch Dogs, AC, etc.
The over $50 million DLC missions for GTA 4 MS paid for, and that wasn't even for exclusivity, that was just timed releases.
So I can understand on some level why Nintendo would look at that, and find it fucking crazy that MS and Sony are spending all this money and whatever profit they could have made as platform holders down the drain for stuff they would have had anyway.
Still, Nintendo needs to figure out what they can and can't do for 3rd parties a lot better currently.
As stated above, Sony did make a lot of profit during the PS1 and PS2 days, and probably squandered all of that away during PS3. The PS4 seems to be a profitable venture so far, and a lot of that is because Sony regained the disciplined they lost during the PS3 era, especially in terms of their hardware choices.
But I don't think MS ever said that the XBox division were overall profitable. They may had a year or two of profitability, but their concept for XBox was always a loss leader and trojan horse strategy and profitability second.