In my case it suggested what diet methods are more likely to work, and a disease I should especially watch for in the future.

But mostly this is awesome because the future is here!

The future will be here when we can easily grow new organs, and easily target and switch off cancer cells in case those organs become cancerous.

Most of the stuff listed on the 23andme site is just looking at slight correlations and assuming causation. (Though there are some major correlations that strongly suggest causation.)

Yeah, but the "stuff" on 23andme is the result of years of human genome research. The fact that we can now examine our genetic makeup is a large scientific step forward.