Benefits.

It occupies less land

It democratizes the food supply, since it increases supply, lowers prices, and therefore contributes to food access to all sections of the population, including the poorest

The productivity is significant higher

It solves problems related to transportation by shortening the supply chain

It uses fewer resources, hydroponic systems use 60-70% less water than traditional outdoor agriculture

It reuses organic waste and water coming from other buildings, operating within a circular economy framework