Why Pussy Riot Crashed the World Cup Final Dressed as Russian Police [video]
bbc.com
bbc.com
Protests are intentionally disruptive to get attention. Otherwise they wouldn't work and news reports and stories about the issue being protested wouldn't be made. We know this protest worked because we're still discussing it.
Scott Alexander once wrote a great piece touching this phenomenon - http://slatestarcodex.com/2014/12/17/the-toxoplasma-of-rage/.