I thought the bigger point was that they could control the cells that liquids seep through. If your goal was to soak up the most liquid for the least cost then

I thought the bigger point was that they could control the cells that liquids seep through. If your goal was to soak up the most liquid for the least cost then paper towels seem like a superior solution. This innovation looks like it’s superior when you have goals like “put 1 cm saw of water in this exact path”