Nothing about unfair competition is mentioned in the press release, so I can only assume this wasn't a significant factor in the competition authority's decision. Unfortunately, I can't read Italian, so I'm not sure if this is brought up in the 199-page full text of the order.

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

It's way too long for me, but just skimping I read that

1)apple was reported to the authority by meta, the authority then started investigating (and this is honestly extremely funny)

2)apple says that att prompt is enough to work as a gdpr consent form, meta didn't agree with this. The authority after a long investigation found apple was in wrongdoing because the att prompt breaks some rules on I don't understand what and so is not gdpr compliant - the only thing I understood is that it doesn't provide enough informations to the end user

3)authority also notes that this prompt was imposed by Apple without input from third parties, thus distorting the market because the same prompt is not required for apple's own apps