Texting and driving ban: good, bad, well-intentioned or overbearing?

According to this article, it looks like a texting while driving ban will soon be the law in Michigan.

The bill would make texting while driving a primary offense, meaning police can stop a motorist for suspected texting.

Such a law could present an enforcement challenge, but police back the proposal -- anything to get drivers focused on their driving.

The enforcement challenges will likely mean increased education efforts, the article says.  Efforts like this from AT&T:

What do you think?  Banning texting while driving: good, bad, well-intentioned or overbearing?