Either Brilliant Or Terrible Advertising

I just walked out and took this picture at a nearby intersection.  Click the picture to enbiggen.

In case you can't make out what it says, it reads "Mowing" with a phone number.  My first thought was that no one would consider using them if they can't even provide upkeep for their sign.  However the more I thought about it, the tall grass might work for them, psychologically: "My goodness look at that tall grass.  My lawn is getting a bit tall as well.  And, conveniently, here is a number to call."