If the ways of tornadoes are known what to build up the towns for?

Question

If the ways of tornadoes are known what to build up the towns for?

Answer 1

So there can be libraries where people can learn and ask literate questions with proper grammar

Answer 2

Ivan; I get the meaning of your question, and the asinine answer is so that building designers (wanna be architects and engineers) can pretend to be trial and error scientists, and use the Community Citizens as test subjects/guinea pigs for their designs!!