Difficulties that everyday citizens (and voters) have with evaluating the merits of the most well-known financial services firms are multiplied when the challenge is to form a judgement on the long-term value provided by unknown, entrepreneurial firms who engage in financial transactions that are far removed from their own everyday lives.
But if Apple cuts its profit margins to do it then jobs (some number, unknown) will disappear somewhere else as a result of the reduction in those profits and the value of Apple as a company.