The drawback of non-AirTags is that they depend on people consciously opting in to the network (by, say, buying Tiles themselves and running the app). The AirTag network just exists because every iPhone is part of the network, whether or not people have bought AirTags themselves. The AirTag network is orders of magnitude larger and denser than, say, the Tile network.

This vast difference between coverage networks will also push Tiles to extinction, as the Tile network is now far, far worse than the AirTag one, and there’s not much point in buying one. If you’re serious about tracking your stuff, it’s quite possibly worth buying a used iPad just for this purpose.