I think there is a lot to be said for the presentation, polish, how easy it is to share, and the idea that everyone sees the exact same puzzle once per day, making it viral as you compete with your friends.
I've never seen grep do that on its own.
Minus competing, setting up the script for distros would be crazily easy.
Also, for Android/iOS, generating a clone would be a matter of hours.
I bet not even 10% of Wordle players know what the command line is, nevermind shuf...
I think there is a lot to be said for the presentation, polish, how easy it is to share, and the idea that everyone sees the exact same puzzle once per day, making it viral as you compete with your friends.
I've never seen grep do that on its own.