And that's fine, because in a free-market economy we will always have alternatives. Also important to note: nowhere in the filing does Google ever mention how this will pan out. The only reason this alarmist behavior is occurring is due to the Nest acquisition. I personally believe there's no reason to worry.
With apologies to Bill Gates, "We always overestimate the change that will occur in the next two years and underestimate the change that will occur in the next ten."