And crucially, Apple is only using data detectors to create linkages with iOS internal services that aren't otherwise readily accessible to web sites: creating calendar items, dialing the phone, etc. They're not using it, as Microsoft did, to promote their own web sites and services.
(Yes, I know you can technically access the phone with a tel: link. But very few web sites do this!)
There's a reason governments do not like monopolies and the markets cannot fix themselves by getting rid of them since the monopolies are not playing by the market's rules anymore.