That title is clickbait, the problems they are referring to is 1. iTunes removing the xml file (which they announced in 2014) 2. The removal of 32-bit apps.

That title is clickbait, the problems they are referring to is 1. iTunes removing the xml file (which they announced in 2014) 2. The removal of 32-bit apps. Other than that this has nothing to do with Macbook Pros other than the fact that DJs use Macbook pros and the two issues above affect them.