Why is "coral gardening" a misleading term?

Answer: Coral gardening is a misleading term because the coral reef are removed from their natural habitat for growing coral reef for the commercial purposes.

Explanation:

The coral reefs are removed from the aquaculture and used for the purpose of commercial gardening to sell them for the synthesis of medicine, for making cosmetic products, and for decoration in the aquarium. This gardening or raring process separate the coral reef from their natural environment and they do not grow naturally.