amateurish and haughty way of doing business
Refers to a business style that is clumsy and arrogant, originally associated with former samurai who entered commerce during the Meiji period without proper mercantile skills or humility.
See also: 士族
That company's attitude is exactly the amateurish and haughty way of doing business.
You can't win in modern competition with an amateurish and haughty business style.