An indemnity forces the vendor to spend money defending the customer on a mere allegation, with very few defenses, while a breach of contract claim puts the cost and the burden of proof on the customer.
A disclaimer states what you are not responsible for, and a well-placed one can get a fraud or misrepresentation claim dismissed, as the real case below shows.
Short answer: telling your customers to back up their data, in the contract, in the product, and in your documentation, is a cheap and genuinely effective legal defense. A Utah Supreme Court case shows that those customer data backup warnings, combined with a disclaimer of indirect damages, can get a
Do not let your RFP response get pulled into the contract. It was written as marketing, it is full of puffery, and embedding it creates both litigation risk and revenue-recognition problems.