Prudent choice is an individual should always choose the regular payment term
For a non-finance person, or for anyone, who is not going in details, it looks like a difficult to reject offer
One should never mix insurance and investment and stay away from "investing" in any of the product offered by insurance companies
If you are taking a life insurance, go for a basic term insurance and make sure the sum insured is at least 10-12 times of the annual income