Simplicity is not easy, they are two parts of the same coin.
The difference between simple and easy is... simple :
-Simple is the intellectual and physical output you saved to your customer.
-Easy is the intellectual and physical output you saved to yourself.
The more simple it is, the more you take the burden of complexity on your shoulder.
The more easy it is,the more you let the burden of complexity to your client.
How something can be more simple and more easy ? That's simple : Cut features.
But yeah I know, your boss won't let you... I never said it was easy !