Hey, What Kind of Company Is This?

Okay, one more peeve for today.

Does anybody really care that SC Johnson is "A Family Company"?
What on Earth does that mean, anyway? And is it really so important that it hasn't to be mentioned at the end of every ad?

If it's meant as a slogan, it's kind of lame.
If it's meant as a legal disclaimer or description, I just don't get it. Are they worried someone's going to perform a hostile takeover or something? "Oh wait, it's a family company! Never mind, guys. Let's go buy up a different firm!"