This only used to be true. The state of the art of Ethereum has very effective microtransactions. This will improve again by orders of magnitude within the next

This only used to be true. The state of the art of Ethereum has very effective microtransactions. This will improve again by orders of magnitude within the next three years. For example, see https://comingsoon.idex.io/ https://comingsoon.idex.io/ which is state of the art.