lets assume for arguments sake that smoking was 100% assur, do you have to assume that the $20 you gave went to buy the cigarettes and that someone elses $20 went to buy food for supper?
should i withold my maos chittim pledge because someone may purchase chametz with the money?
im sorry if some are offended by this comment. this thread sounds more like “finding reasons not to give tzedaka” than anything else.