SHOULD OR NOT

What's your opinion on boycotting Nestle but still taking their free products. I tried to boycott Nestle as best as I can by not buying stuff from their brands but since my father worked for one of Nestle company, my family once in a while have free stuff from the company give to him. Or I still get their free sample products in some event. Should I still throw it away and not consume any Nestle product at all? But my conscious feel guilty throwing away food