There had been some press releases, that there had been bug fixes in water supply IT Software, Energy related Software, traffic ... wth there had been bugfixes onto that particular problem since 1998 when it first came to surface.
If that would have been ignored all, there may had been more damage, but it wasn't so it is anyhow all mute speculation.
The Maya prophecy ... *yawn* really ... you know guys, we are all more or less superstitious and if it is only the uncertainty like with all things you can't proof but are more or less based on some obscure belief, it is mostly BS.
Even religions have more substance, as those at least provide humanity with a moral compass(good or bad that is for you to decide)