Why in so many personal ads and similar do people insist that they are “down to earth?”

This isn’t appealing to me at all. I am not interested in people who are down to earth. This translates to “boring” to me, almost invariably.

Since I am barely convinced I was born on earth, this is a sure sign we’d have nothing in common.

“Down to earth” means in reality “I hold all the conventional opinions of my milieu and social class, and will not challenge you or your ideas in any way.”

Damn, hell no.