Different professionals stop at different points along the range of continuing education and public service. Some never take another course after passing their state boards or obtaining whatever certifications are necessary to begin practice. Such practitioners may be adequate in their specialty, or maybe not, depending on the specialty and what's developing in it. It's the same with professional home inspectors. A portion of my ongoing personal education gets reflected in my website development projects.
Teaching is a great way to learn.
One is the risk of inaccuracy in the data. It is impossible to completely eliminate this risk and all readers and users of information provided via the Internet need to be wary, and to consult a qualified professional who can examine actual on-site conditions before taking any dangerous or costly actions. The very public exposure of data at this website has as a primary objective the discovery and correction of any inaccuracies. A second is abuse of the donee's time by readers. On balance, feedback and even questions from readers can be valuable for improving site content and for learning.