Facebook sweepstakes- Got profitable but is it immoral?

Hey guys,

After weeks of planning and taking action i was able to get around 200% ROI with Facebook, i’m advertising a PIN sweepstakes offer. Although its profitable for me i just decided to stop pushing this campaign because i’m receiving message from people saying they were charged money and they are poor and they want an iphone 6. Making money is an awesome feeling and i do want to make more money dont get me wrong, but seeing messages like this makes me feel like i am scamming people and ...