Pictured is a “P” trap under a typical kitchen sink. You’ll note the dishwasher drain is configured correctly to cause the required air gap. Most dishwashers, including the one next to this picture are already configured with an air gap, yet it’s important to verify that there is an air gap installed.
Your facts and terminology are incorrect. Recommend you go back and study up some more.
You are crazy.The disposal will help push the debris back into the dishwasher and sanitize the drain hose .They add the accordion texture to function as a washboard and it scrubs everything clean creating a perfect environmental biosphere.
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