John Gills Exposition of the Bible Commentary - Proverbs 29:8
Scornful men bring a city into a snare ,.... Such as despise dominion, speak evil of dignities; proud and haughty men, that speak Loftily, and with a contempt of their superiors; or who make a mock at religion, and scoff at all that is good and serious; these bring the inhabitants of a city into a snare, to rebel against their governors, and so into mischief and ruin: or, they "burn a city", as the Septuagint and Syriac versions F15 "Inflammant urbem", Junius & Tremellius, Piscator. ... read more
Matthew Henry's Complete Commentary - Proverbs 29:8
See here, 1. Who are the men that are dangerous to the public?scornful men. When such are employed in the business of the state they do things with precipitation, because they scorn to deliberate, and will not take time for consideration and consultation; they do things illegal and unjustifiable, because they scorn to be hampered by laws and constitutions; they break their faith, because they scorn to be bound by their word, and provoke the people, because they scorn to please them. Thus they... read more