However, the Tower of Babel was not built for the worship and praise of God, but was instead dedicated to the glory of man, to "make a name" for the builders: "Then they said, 'Come, let us build ourselves a city, and a tower with its top in the heavens, and let us make a name for ourselves; otherwise we shall be scattered abroad upon the face of the whole earth.'" (Genesis 11:4).
(This stolen directly from Wikipedia - paraphrasing doesn't seem necessary.)
"And the Lord came down to see the city and the tower, which the children of men builded. And the Lord said, Behold, the people is one, and they have all one language; and this they begin to do; and now nothing will be restrained from them, which they have imagined to do. Go to, let us go down, and there confound their language, that they may not understand one another's speech."
How many people have been murdered because of our differences and our pitiful, weak inability to let go of brutal evolutionary devices? Perhaps the Lord could have saved some more of his flock by allowing us to share a unity and common heritage instead of scattering us via language to fight and kill each other for centuries.
I'm no atheist, but, more and more frequently, God's desire for humans to be sniveling, helpless worms disgusts me. I truly fail to see how these humans' building a tower for themselves is in any way immoral or against God. Perhaps the Great Lord was having a fat day and felt insecure...