Twenty years ago this would have been wrong with a kernel of truth. Today, it's just wrong. There were chips that integrated all this but they weren't that popular in the West and ultimately nobody cared.
https://www.mediatek.com/press-room/mediatek-announces-world...
MTK still has the largest marketshare of smartphone SoCs worldwide and they still use their combo RFICs.
https://pccentral.net/q1-2026-smartphone-soc-market-share-me...
https://www.androidheadlines.com/2025/03/mediatek-leads-glob...
And it's not a tiny kernel of truth, even iPhone(2007) had Wi-Fi/BT combo chips with FM radio. Apple was partly responsible for death of FM radio, by not implementing the software feature. That's also literally 20 years ago.