Why would an EREV Lightning not have a frunk?

Curious as to why that’s the accepted norm, given both how important we all think a frunk is in a truck and given Ford did patent a bed mounted, removable generator back in 2018.

https://www.motorauthority.com/news/1129823\_electric-ford-f-150-might-be-available-with-bed-mounted-gas-range-extender