I think many people forget that companies don't have a website for the sake of having a website. They have a website for the sake of increasing sales/revenues and profits. As long as it meets that business objective, companies usually don't care how that's achieved.

If Google provides the UI, you don't have to pay any graphics designer anymore for your service website. :)

It matters if the cost of sale is substantially different, and it matters if it affects customer loyalty.