If we're concerned about wordiness, we could have dropped "Rasberry Pi CM4" from the title as this detail seems irrelevant when the external wifi adapter is doing the heavy lifting.
That's the main point of this, though—until the CM4, it was not possible to get this kind of card working easily on any kind of Raspberry Pi.
There are some other SBCs (usually more expensive) with the capability, but being able to (easily) put AX WiFi into a Pi project enables some new use cases.
There are some other SBCs (usually more expensive) with the capability, but being able to (easily) put AX WiFi into a Pi project enables some new use cases.