But that just negates the reason for having a website in the first place. As a business owner surely they don't want their (and their staff's) valuable time tak

But that just negates the reason for having a website in the first place. As a business owner surely they don't want their (and their staff's) valuable time taken up fielding phone calls that could be readily solved by a half decent website. Sure it won't be the preferred method for everyone so you will still get phone calls but the cost/benifit ratio is high.