as bostonvaulter noted below, i don't think it's so much about illumination on the issue (given there is only a billboard to work with). i think the idea is finding whatever will be the best vector for further news articles about the issue, local and national.
plus #dontmesswiththeinternet is a tiny bit shorter than #lamarsoldyououtforbiggovernment
plus #dontmesswiththeinternet is a tiny bit shorter than #lamarsoldyououtforbiggovernment