I'd hazard a guess and say they're doing this for reason A. It definitely sets them apart from Google though, as it's Google's bread and butter to collect data

I'd hazard a guess and say they're doing this for reason A. It definitely sets them apart from Google though, as it's Google's bread and butter to collect data on users in order to sell ads. Apple doesn't have a horse in that race, so it's a win/win.