i heard it a lot during my programming days, and the intention of the phrase was usually to mean pretty much was posila was describing. no matter, things can be interpreted in many ways, especially with proverbs or sayings between two languages.The only way to make it a certainty that nothing would have broke would have been to do nothing. At times the proverb sounds like an advice...
https://en.wiktionary.org/wiki/if_it_ai ... 27t_fix_it