Simple because visual content is an effective marketing vehicle because, by default, individuals are drawn to great-looking pictures. What will drive you to eat a slice of decadent chocolate cake: a high resolution picture or a written description?
Businesses need excellent graphic designers, both large and small. Take a look at those Hollywood multi-million dollar movies. They certainly look good on your bedroom wall, but the movie posters are an integral part of the marketing strategy of the film business.
Actually there are a lot of functions for graphic design not just on business but also to some factors in life. Do you agree with my statement? Please share your thoughts.