As this WaPo article states, they doesn’t even have to upload your activity online to be very invasive. Imagine mapping your room and your house and loading it online to share with your visitors - this will happen. It technically comes within what Apple considers as private - but is still very dangerous. The yard stick to judge Apple by is the case of airtags. They didn’t care about the stalking problem of airtags until there was a huge uproar. And even then, the solution they released was very half-hearted.