This might not be such a big problem if applications software were produced only by software companies and used without customisation by the vast majority of businesses. Leaving aside whether that would have been desirable in other respects, it never happened, because the software industry was still in its infancy. Instead many organisations employed a "do-it-yourself" approach.
So today companies employ staff of their own to look after computer systems. This is not without advantages, since many companies have a constant need to modify their existing software. The result is yet more "original work", and so yet more date calculations.
Consequently, in many cases, if a company does experience year 2000 problems, it will have no one to sue but itself.
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