Marketing is sales. There's no way around it. You're trying to tell a story so that someone buys your product.
The sales person is also a marketer, but their role is to close the deal which can often be intimidating.
Shoppers today like to walk into a store and use their phone to navigate it. They've seen the marketing; they're aware of the deals; they don't want to be sold to but rather find products by themselves.
Marketers are salespeople and vice versa. The key difference is that marketers speak softly and carry a big stick while salespeople persuade aggressively or try to trick you. Which is the better customer experience?