No source is given for the information, and the author does not appear to be an authority on the subject. This information comes directly from the American Cancer Society, a reputable source. Internet is often used as a soapbox. Internet tends to blur distinctions among advertising, opinion, and facts. The purpose is probably true but it is likely to be biased since it comes from the subject's own personal page.
Information is provided by a non-partisan organization.
Remember that anyone may publish anything on the Web. Covers many hotels in many cities. Copyright dates at bottom of the page indicates ongoing currency. Authors do not always take the time to make their site user-friendly. If a site is hard to use, it will not be used and nor bookmarked.