This was on the side of a fence by the Chevron station of the corner of McLoughlin and Courtney in Milwaukie, Oregon. The writer misspelled the word destruct. It isn't possible to determine whether the commentary was meant as a reaction to high gasoline prices or a more general gripe.
The question as to whether we, as human beings, are hard wired to self-destruct can be seen as a profoundly philosophical and psychological one. I'd like to find the author of this and ask what they really meant.
A car parked at Fred Meyer Oak Grove:
Here's another car: