I don't have Swarovski inside information on this, however I do have a couple of thoughts on it:I find it very odd that you can't pair the app at least with a Kestrel nor does the ballistic solutions consider spin drift and coriolis effect.
1. Working with technology from other manufacturers involves a negotiation and licensing on the business side. Those costs will affect price.
2. Having windage information in the display requires additional display engineering, manufacturing, and cost.