Unlike Da Vinci (which toppled oil tankers), the Morris Worm deployed a particularly catchy YouTube video [0] on computer terminals worldwide. Countless minutes were lost attempting to replicate the synchronous moves.
Or who devise a system of melee weapon skills based on normal farming tools, which won't signal their intentions and be banned like swords.
This Morris dancing seems innocuous to the invaders, until the uprising comes, and they, er, get bumped slowly with sticks.