Half of me agrees with you. As someone who used to tinker with neovim all day I've had to learn just because you can program the problem doesn't mean you should and stick to a relatively minimal config.

Still, its a valid design choice with different design decisions compared to sway. But that's the point you get to choose.

Hyprland is much more "build your workspace with legos" so having a full lang like lua makes sense to properly integrate the various pieces.