... to give me not just an on/off toggle for data roaming, but to perhaps include a "yes! Turn on roaming but only push through limited text data, like email headers, iMessage texts and whatsapp. And notifications! You know, the kind of stuff that won't require you to remortgage your abode just to pay your mobile bill?"
Perhaps Sir Jony could even design a beautiful slider that you drag to control the throughput from "zilch/nada" to "crazy" - and everything in between.
Come on Apple, we don't all own options in your company.