This question is about Ethical considerations when it comes to advertisemr. Some businesses or companies will tell you "Come try our product. If you do, we'll give you $100 just for coming by!" . Unfortunately If you read the fine print, you will discover that they will give you a savings certificate that will pay you $100 in 25 years or so.

Is this deceptive advertising?

Is it unethical to advertise a future value like this without a disclaimer?