Decompiling

[AlexB]

Not really, as you don't have to do it all at once. Besides, if YR isn't broken, what's Ares doing?

Recoding small pieces at a time would still sum up, maybe even more than doing it all at once. The time spend there cannot be used to actually fix bugs or code new features, and there's still a chance of accidently changing behavior and thus introducing small bugs while transcribing and refactoring.

Ares already replaces many functions, but as far as I know not to make it more perfect, but because it would be tedious to add hooks every five instructions. Every full rewrite is done to serve a concrete purpose.

Of course YR is bugged, that's why I said the premise in that commonplace isn't true, thus it doesn't apply.