The "no guarantee of fitness for a purpose" people put on the terms of software they sell is bullshit. There is something wrong with selling software with some functionality and then requiring customers to buy other pieces of software to make that functionality work.
That said, yes, they still handle that bit better than most large companies.
You could ask the company to remove that clause for you, but it may come with two or three extra zeroes at the end of the price tag because of the legal and support ramifications that come with it.
You could make such a clause illegal, but then all software would have to come with those two or three extra zeroes.
That said, yes, they still handle that bit better than most large companies.