This still qualifies as cross-platform though. Cross-platform doesn't mean "all the platforms" or "all the platforms with the biggest market share in the segment of the application".
Both might have thought 'If you are patient enough to tolerate a slower web based start menu, you are probably not a target market for a hardware accelerated terminal' :D
That's the one thing I always check first in a terminal because I have this pet project to run emulators in a terminal ;)
https://github.com/floooh/chipz-kitty
(works fine in Kitty and Ghostty, wezterm theoretically also supports the Kitty protocol but at some point just freezes)
If you need a GUI, just use a GUI.