There will always be companies that make assertions that can’t be delivered. Unfortunately this becomes much more of an issue when the consumer is under contract and made that decision based assurances from the device manufacturer. People are claiming that Motorola Mobility (Google by extension) have done just this.
http://news.cnet.com/8301-1035_3-57526994-94/android-users-outraged-over-motorolas-broken-promise/