Rivalries are meant to inspire pride of one's own school, club, organization, or whatever. While some rivalries also involve good-natured (and sometimes not-so-good-natured) ribbing, vandalizing the opposition's property with spray paint absolutely the wrong way to go about it.
Now that headline alone should have you scratching your head, but its actually happening in Bend, Oregon. This past Sunday two churches in the town were vandalized, and now people from across the country want to help.