Can these customers count on getting the help they need? (So far, none of the start-ups has called him for advice.)The question is borne out by some pretty recent history.Robinhood’s trading platform and messaging system melted down when the markets gyrated early this year. When it cut off certain trades altogether during the GameStop saga, users were furious about the lack of answers.Dozens of lawsuits resulted, as well as a host of investigations, including the largest fine that the Financial Industry Regulatory Authority has ever imposed. During a congressional hearing in February, one lawmaker dialed Robinhood’ …
