TOKYO -- In an unfolding scandal that involves Japan's third-largest casualty insurer and a major secondhand car dealer, investigators have found that insurance company Sompo Japan had a culture of prioritizing market share over customers.
Problems festered partly because whistleblower system did not function

Fierce competition with rivals was behind Sompo Japan's closer ties with Bigmotor.
TOKYO -- In an unfolding scandal that involves Japan's third-largest casualty insurer and a major secondhand car dealer, investigators have found that insurance company Sompo Japan had a culture of prioritizing market share over customers.