"Our examples are guaranteed to work (99.9%+ of the time...) on X configuration(s) in Y environmental conditions with Z functions." Is a pretty normal expectati

"Our examples are guaranteed to work (99.9%+ of the time...) on X configuration(s) in Y environmental conditions with Z functions." Is a pretty normal expectation when your paying thousands or tens of thousands per month per seat. If you've literally never seen a guarantee like that and your company is actually paying that much money for a product, then it would be wise to shop around.