Around here, Republicans seem far more likely than Democrats to resort to petty, vindictive bullshit. They steal or smash campaign signs for Democratic candidates far more often than their own banners are despoiled.
The relentless theft of Obama signs inspired one voter to make one of her own.
In 2004, the vandalistic Republican element put nails in some Democrats' driveways before a candidate rally in town. This was in addition to relentless sign theft and destruction. Then there's that whole phone-jamming thing from 2002.
Ah well. Our Founding Fathers decided that government by argument was the best way. People argue in the style they find comfortable. For some it's finely honed rhetoric. For others it's a brick through a windshield.