Pretty sure you have forgotten or never experienced the awful bt devices from 15 years ago. Or maybe latency is not a big issue for you.
The 5ms I referred to was the difference versus a cable - I’d expect a modern keyboard to be under 10ms and Bluetooth to be under 15ms. Since I’ve measured that the latency for a keystroke to render on screen in VSC at 16-24ms, I’m comfortable saying at least Apple has Bluetooth latency under that level.