I more admire his balls than his sophistication. Patching out a function called 'FlushChanges' without precisely knowing what kind of changes it flushes? I wouldn't take the chance that it does, as a side effect, increase the risk of disk corruption.
But no one is asking you to take that chance. The author notes that there seem to be no ill effects; but how else can one find out, barring some sudden forthcomingness on Apple's part, than by trying, which is exactly what the author is doing—with reports (as the article says) forthcoming in case of trouble?
