A marketing manager is not simply the supervisor of campaign specialists. The role is to decide which markets to target, which channels deserve investment, and what team structure will be used to produce business results. They carry responsibility for the overall priorities of marketing, including budget, headcount, outside partners, brand direction, and coordination with sales.
The value of this role lies not in knowing many individual tactics, but in choosing the moves most likely to drive growth with limited resources and in moving the organization forward. AI can speed up reports and draft campaign ideas, but the responsibility for deciding what to bet on, what to stop, and who should own what remains firmly human.