I'd start with the question "who would find this useful?" Asking if something is useful without knowing who would use it like building a key and hoping there is a lock somewhere out there in the world. If you can find people who you want to serve, you can see if they would be served by this idea, and go from there.
Also, if you did want to build this, you could probably at least try it out without writing any code. Design Pickle built an app out of their "design as a service" that would be good enough for an MVP: jarhq.com/
For further actions, you may consider blocking this person and/or reporting abuse
We're a place where coders share, stay up-to-date and grow their careers.
I'd start with the question "who would find this useful?" Asking if something is useful without knowing who would use it like building a key and hoping there is a lock somewhere out there in the world. If you can find people who you want to serve, you can see if they would be served by this idea, and go from there.
Also, if you did want to build this, you could probably at least try it out without writing any code. Design Pickle built an app out of their "design as a service" that would be good enough for an MVP: jarhq.com/