We have the freedom to build what we see fit - without the need to to justify the act by saying it improves humanity.

If it doesn't improve humanity like a cure for cancer, but ends up creating happiness in the lives of its users, is that wrong?

I tried to get the spirit of the words. How did I do?

Quibbles: I thought several issues were conflated in the original post by grellas, so honestly I don't think I could possibly do justice to all the unstated assumptions.