It being a difficult task doesn't mean it isn't necessary. People have eventually learned, over time, all sorts of things that weren't particularly intuitive at

It being a difficult task doesn't mean it isn't necessary. People have eventually learned, over time, all sorts of things that weren't particularly intuitive at first. The general population is now well aware that smoking is bad for you, even though it took literally hundreds of years to get to that point. The sarcasm isn't even particularly witty, because no one is under any illusions that this is an easy task.