Some say eBay’s blockbuster growth has engendered arrogance. Entrepreneurs grumble that executives pander to big-ticket electronics vendors and industrial manufacturers–not the teddy bear enthusiasts and numismatists who were faithful a decade ago, when eBay was founded and enjoyed a kitschy obscurity. They complain about shoddy customer service, including site crashes and anti-fraud software that too often mistakes a legitimate business for a huckster.