People are fundamentally short-term thinkers. Just imagine spraying neurotoxins on your lawn. You're "saved" from the "terror" of noticing more than one kind of grass, but of course you're incrementally increased the cancer risk for yourself, your children, and who knows who else. This is just one example; people do this constantly. Plastic fleece puts an untold amount of poison into the environment, but "I need to be warm RIGHT NOW." etc. Or lead paint. "It's only toxic when it breaks down, and that won't be for decades!"

Why would programming be any different?