Interesting that they are posting a bunch of new reqs for their ads platform
https://jobs.apple.com/en-us/search?search=ads%20platform&so...
https://jobs.apple.com/en-us/search?search=ads%20platform&so...
From the first of those listings: “Today, our technology and services power advertising in Search Ads in the App Store and Apple News.”
This meets one of the criteria you specified (“They also have their own ad platform […]”), but not the other (“[…] that will benefit from this”).