The "persuade record companies" is also a valid point and contribution. IMHO, this persuasion has convinced other content producers to trust Apple in their wall

The "persuade record companies" is also a valid point and contribution. IMHO, this persuasion has convinced other content producers to trust Apple in their walled garden model. Also as a user I can say that I have paid loads more for content (music, iOS apps, and Mac apps) via the Apple platform, than I did with Windows and Android. Casualty or causality?