Zenefits is one of the most-valuable startups in the world at the moment, but its $4.5 billion valuation has been called into question in recent months, which means this is a horrible time for the company to be getting into legal trouble, but that’s exactly what’s happening. According to a report from Buzzfeed, the startup allowed unlicensed brokers sell health insurance, which prompted at least one commissioner in Washington to investigate the matter.