If the goal is to create tiny bubbles that rise to the top of the water and create a current of circulation, Matala is very effective because it does more with less restriction.
But when an aeration system is designed for a pond, the amount of water brought to the surface per minute or per hour is needed to be known to run the numbers to see how many diffusers are needed in a pond. So, if that data is not available, then it's a guessing game, and while that may be fine for a DIY situation, it's not fine if a person is buying a system for their pond.
