Is this approach working at all for their goal? It always sounds rather like they just annoy people they are trying to save, no?
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/.