If you create an efi payload, you remove the need for the /boot partition and for grub2, killing 2 birds with 1 stone. The payload can be managed by your UEFI

If you create an efi payload, you remove the need for the /boot partition and for grub2, killing 2 birds with 1 stone. The payload can be managed by your UEFI bios and efibootmgr, allowing more advanced thigs like signing your payloads with your own keys for a true secureboot instead of the hackish "MOK" that's just using unprotected UEFI variables