I had a Muslimah friend tell me the other day that we shouldn't give money to homeless people because if they use it to buy alcohol or drugs it counts against us as one of our sins.
Yeah, you read that right. We are accountable for someone else's choice.
....REALLY? She honestly believed this to be true.
But the Qur'an says:
35:18 "And none can carry the load of another; and even if it calls on another to bear part of its load, no other can carry any part of it, even if they were related..."
74:38 "Every soul is accountable for their own sins."
Nobody is held responsible for anyone else's sins but their own. Period. You have no control over anyone else, and they have no control over you.