OK. But why did we end up with baseband radios instead of cellular modems? Is it because they grafted "computer stuff" on phones? Instead of adding cellular c

OK. But why did we end up with baseband radios instead of cellular modems? Is it because they grafted "computer stuff" on phones? Instead of adding cellular capacity to computers? Or is it just because we can't have phones without surveillance? All those wiretap-ready requirements, I mean.