Except that customers loves and trust them. Trust is the key. People can not trust thousands of random companies/developers. Trust is built up over time throug

Except that customers loves and trust them. Trust is the key. People can not trust thousands of random companies/developers. Trust is built up over time through a relationship. Without Apple, most of these transactions would not take place. This trust, App Store etc., has been built up and cannot be transferred automatically to another party.