DeSoto Cab Co. might not like the under-regulated and fast-emerging alternative-ride service industry, but company President Hansu Kim knows an opportunity when he sees one. If Uber, Lyft and others are allowed to expose loopholes in the regulatory process — which boost their bottom lines exponentially — then so too can the traditional taxi industry, he realized. During public comment at many recent San Francisco Municipal Transportation Agency board of directors meetings, Kim has explained…