An old English proverb observes that “Even a broken clock is right twice a day.” A more modern idiom involves a blind squirrel and an acorn, and I’m certain there are many other culturally specific nuggets of wisdom that succinctly describe what is essentially blind luck.
The proverb and modern idioms fit well the case of modern acceleration techniques as applied to content delivered to mobile devices. A given configuration of options and solutions may inadvertently be “right” twice a day purely by happenstance, but the rest of the time they may not be doing all that much good.