Why there's always those guys that immediately criticize whenever someone comes up with a new idea ? Specially blockchain related... I mean, you gotta be dumb, right ?
Anyway, the best answer I can give you is that you might have something here.
Nothing incredible, nothing that will keep me awake tonight for sure... But yes, you can become rich out of this, definatly, even if you don't grow what you expect to (you probably won't)
It will always come down to how much effort you'll put into it through time and adversity