As a Professional, the clients expect the best and most from you. When compared to others in the marketplace if you do not stack up you may be the one left out. Not only may you loose a potential clients, but Google will DEFINITELY leave you out of their search results. Google is serious about Mobile Friendly sites, and if your site is not it will not be ranked or even shown in some cases. A Responsive website ensures your clients will have an easier time navigating your site regardless of which device they may use.