Where Do We Stop?

I saw this article on the Drudge Report a few weeks ago and didn't get the chance to comment about it. They want to build a tower that is about a mile tall.

I can tell you for sure this is a building I would never, ever enter in my life. My fear of heights is only part of the problem. I can't imagine being in a building like that from a safety perspective, if anything happens, how would you ever get out? Can you imagine the temperature extremes at the top of this thing?

I can only imagine the risks that would be taken in constructing something like this.