You, sir are correct. Incidentally, daenz is also correct. Albeit with a little addition to what he says: "There is no changing everyones behaviour in a matte

You, sir are correct. Incidentally, daenz is also correct. Albeit with a little addition to what he says: "There is no changing everyones behaviour in a matter of days." Which means that daenz's suggestion is the "best" (as in "highest gain") solution in the short run. It is not incompatible with simultaneously trying to change people's behaviour in the long run.