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.
I'm a big, big blues fan and the last several years I've really invested in the blues a lot, and I think my playing is getting better because of it - not necessarily better on a technical level, but certainly on a level of appropriateness.