No one was ever saved because his sins were small; no one was ever rejected on account of the greatness of his sins. Where sin abounded, grace shall much more abound.
I've been motivated by overcoming challenge and overcoming the hurdles and obstacles that face me. There still is plenty out there to get motivated by.
If you're against globalisation, it doesn't achieve much by sort of bombing the head offices of Shell or Nestle. You unsettle people much more by blowing up an Oxfam shop because people can't understand the motive.