Earlier quoted context omitted.
As I follow the situation, it seems that regulatory uncertainty is a major issue though- the EU’s requirements are framed in terms of outcomes sought, rather than in terms that can be quantitatively shown as met or broken. So it’s not a matter of dedicating a team to meet a list of requirements, but instead navigating the worst case scenario of enforcement if post-launch the EU determines that the proscribed outcomes…
In this case it looks much simpler: Apple strictly does not want to open up the iOS platform to other competing agents, as they lose the monopolistic moat if they do. While making a true developer platform with good documentation is often hard and expensive, with the market access they'd get, companies would gladly jump on it even if it was badly documented as long as they have guarantees of continued legal access. A…
If Siri wants to be seen as anything it should first support every EU language and they can work from there.