The press release is.. not great. The summary document linked at the bottom of the page is written in English and makes it clear that the fine was issued due to their double standards:

> xii. As a matter of fact, revenues from App Store services increased, in terms of higher commissions collected from developers through the platform; likewise, Apple’s advertising division, which is not subject to the same stringent rules, ultimately benefited from increased revenues and higher volumes of intermediated ads

[1] https://en.agcm.it/dotcmsdoc/pressrelease/A561_SUMMARY.pdf