Some believe that the process of marketing is working on something of fraud in order to promote the sale of goods ... What do you think?

At the initial stages constraints are more in the marketing activities: Through your approach it has to be changed along with popularizing the brand adequately. Product quality, companies reputation, the market behavior, customer utility everything is important and also the pricing.   one of the reasons for such problems arise on account of the bitter experience of unfair pricing and quick gain and short term strategies of many marketers.

This is due to the marketing man, that deceives people as possible to promote the non-good product, possible that promotes good product but need some advertising