I dunno. It seems to me that that clause is invalid exactly to the extent that it's not permitted by applicable law. It might even be weaker than the typical disclaimer, since it's possible that the clause is invalidated as a whole when the typical disclaimer would survive in part.
However, it has a secondary effect: users cannot pass the lack of warranty on to other users. For example, company A uses it to control assembly-line robots for company B's factory. They would like to create a contract where company B is responsible for any damage resulting from feeding the wrong kind of item through the assembly line. This clause would forbid that contract, it would require company A to take all responsibility no matter what.
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