Marketeers of poor products and their lawyers love this phrase. It allows them to

1. threaten their customers with all manner of sanctions, legal actions and related dire consequences;
2. whilst disclaiming all responisibility for anything whatsoever;

without having to bother with minor inconsequentialities--like whether what they are threatening/disclaiming is actually legal; anywhere.

On it's own, this is powerful enough to dissuade a very large proportion of the mugs customers that buy their products from ever complaining or otherwise seeking recompense. When combined with a couple of their other favorites--footnotes and small print--it becomes a hugely profitable, secondary marketing tool.

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Any customer using this software in a way that renders it capable of resulting in a claim for liability against the reagents is in breach of these terms and conditions(*). Under these circumstances the customer agrees(*) to indemnify the reagents against all such claims, to the order of double all liabilities and torts judged against the reagents; plus all legal and other ancilliary costs(*).

(*)Void where prohibited.

:)