What activities does marketing involve besides selling?

Sean was recently hired to join the marketing team at axon international. he will be starting at the company in two weeks. sean has the reputation of being an expert in ad campaigns and catching the attention of the target audience. however, he also has the reputation of not getting along with anyone. he doesn't care much about where and for whom he works but is primarily motivated to achieve goals for himself and beat his own records. as soon as amanda heard about sean joining the team, she turned in her resignation. ashton, another team member, called sean and met him for lunch to express all the team members' concerns and to smooth things out before sean formally joins the team. ashton's reaction can be described as