Basement air is usually stagnant. There is very rarely fresh air or air circulation. These larger windows allow you to open up and let the clean airflow. That makes the air in your basement healthier, and therefore, the air in your home healthier.
Waterproofing is the best way to protect your foundation from damage. Your entire home rests on your foundation. If you don’t take steps to waterproof your basement, you will leave it vulnerable to damage.