How do they know that fraudsters with fresh cookies and no referrer history aren't just in private browser mode? Sounds like the server would view them as the same in most cases.
The magazine analogy doesn't work though, unless you are referring to a free magazine. The magazine generates revenue through sales of the magazine and advertising within the magazine. Whereas platforms provide users with free services that are supported by ads.
Modular phones will create opportunities for high quality audio drivers for Android.
Apple products are synonymous with quality audio, and Apple's success is partly attributed to it's investment in music technology.
A brand like Beats which is popular with young audiophiles could potentially transform Android into a recognizable music platform if they provided a Beats audio driver and quality headphones.
This is a risky proposition for Apple as it would drive more of their high-end audience to view Android as a serious audio contender.