No, not wholesale — AI is reshaping which tasks a marketing team spends time on, shifting hours away from repetitive production and reporting toward strategy, judgment calls, and relationship work that still need a human. Teams that adapt their workflows to use AI well tend to need fewer hours per output, not fewer skilled people making decisions.
The honest risk is not replacement but consolidation — smaller teams doing more with AI-enabled workflows, which does slow headcount growth in some roles even without full replacement. The teams most at risk are the ones that resist adopting AI into their actual workflows, not the ones that use it well.