I infer from your list that you're talking about small businesses. They are your customer and I believe that the customer is always right. The employee may be t

I infer from your list that you're talking about small businesses. They are your customer and I believe that the customer is always right. The employee may be the tail that wags the dog but they do not pay you. They should be aware of the pitfalls of web apps: 1. They're generally not as fast as native web apps. At the very least they don't appear to be so. 2. A user/employee is more familiar with apps that are native and they will understand them better than a web app. It is up to your customer to know what they're willing to sacrifice, immediate cash or the quality and recognition of their product in the long run.