Neat - but it’d be nicer to replace that motherboard logo with a Fedora logo or something, so it’s clear when the kernel has taken the reins. Otherwise, people might think that the system is stuck in the BIOS!
Yes, I know the menu disappears - but that’s only going to be true for some subset of BIOSes, and it’s not an indicator that most people would be expecting.
That's basically what sbupdate [0] for Arch does, it allows you to set your own bitmap for boot logo (after the vendor logo, of course).
Another benefit of sbupdate (besides Secure Boot) is that it allows running Linux kernel directly as a UEFI executable, no GRUB or systemd-boot needed!