Why do you think they would be so bothered by what humans do, when the same kind of thing is done across the animal world? Read about ants milking aphids, for instance.
The topic here is a mutual thing, too. You can see that people sculpting trees are keeping the tree alive when it might otherwise be cut down. Possibly taking pains to ensure it gets enough water, too. After all, the sculpting process relies on the tree continuing to grow.