Not a bad idea at all, plus the templates you already have are pretty neat. I could see applications w.r.t. professional development or even marketing to product people with the purpose of simplifying product roadmaps (and sharing with C-levels, etc.).

You have something here, screw donations. Free users suck anyway; my free project[1] has ~1500 MAU and I kind of want to stop working on it because the entitlement is unreal.

[1] https://www.lofi.rocks/

This was also the first course in the list, so not exactly a good first impression.

The console lists this: https://pastebin.com/KQqjdCc8