Mockingbirds are particularly fond of malls—they like the planting, especially the multiflora rose; its tiny hips are small enough for them to swallow.
And even once people did start eating them or consuming them in other ways, strawberries were just as likely to be consumed for health reasons as for having any kind of sweet fruit.
This year you shall eat what grows of itself, and in the second year what springs of the same, then in the third year sow and reap and plant vineyards and eat their fruit.
In the same way, the early unconscious stages of crop evolution from wild plants consisted of plants evolving in ways that attracted humans to eat and disperse their fruit without yet intentionally growing them.