So iOS is obviously not spying on its owner in ways that matter. If OP ordered from DD, Apple got that transaction and iOS started suggesting DD to OP across devices, that would be insidious enough to stop me from using Apple tech. Dumb location-based triggers are nothing, though I don't have them on because I need fewer distractions.
What feels as spying to me is, for example, seeing a specific medical care ad on YouTube after I talked to a friend about a health issue using a completely unrelated chat app or even IRL. There are clearly a lot of moving parts, a bunch of data stored outside of my device, and if it's not already tied to my identity it's likely de-anonymizable.