At the end they mention this text:
The authors and NVIDIA do not guarantee that this code is fit for any purpose whatsoever.
And say that it worries them. This is actually a warranty disclaimer (the warranty of fitness for a particular purpose) and has to be written like this to be effective. So I would not read anything into it
Not only that, almost every software license (FOSS or proprietary) has a similar clause (often in all-caps).