Microsoft is on the attack, saying Nintendo has done a great thing with their Wii product line but Microsoft has a bit more “respect” for the new gamers they’re bringing into the industry. Xbox Europe VP David Gosen launched the shot over Nintendo’s bow at the GameFest UK keynote.
“We’ve seen some research that says 60 percent of people who bought a Wii Fit play it once and don’t play it again. So we have to get the balance right, because what we are doing is bringing new consumers into the market for the first time in their lives sometimes—and we have to treat them with respect,” Gosen told attendees. (shacknews)
In translation, developers should be building games with hot gameplay not quirky gimmicks. Basically, he’s of the opinion that Microsoft’s working towards creative unique game play elements and not really concentrating on niche products that are only fun for a week.
Nintendo and others are developing games to take advantage of the Wii Fit board, so not all is lost. As a matter of fact, statistics being gathered by Nintendo’s competitor really don’t hold any weight with us until they’ve references the third party statistics gathering who handled the facts. Otherwise, it’s just PR speak attacking their competitor (although they say Wii isn’t really a competitor) with no real facts or values.
Nintendo has 
The success of the Nintendo console, the Wii, has proven to change the industry in many new and creative ways including reinvigorating slow product sales at Toys R Us. “The company went from a loss of $42 million at the same time last year to a profit of $13 million for the three months ended August 2nd,” says 
Most Wii games, period, collect dust. People don’t buy the Wii because of games.