Branding comprises of more than just a logo but a logo does act as a communicating tool for your business. It helps the brand to stand out and induce an emotional reaction among the public. A lot of brands do not consider logo as an important marketing strategy but it does play an equal role in the accomplishment of a business as any other factor.
As a human being, we are all shallow creatures. We mostly go for what apparently looks good. You may be selling the best product ever created but if it is not in a fancy packaging and adequately designed, it won’t be liked by the general public. That is where the logo acts as a means to sell off the ‘already remarkable product’.