> The instant you start having to make the client smart enough to think about business logic, you are doomed. Could you explain more here? What do you consider

> The instant you start having to make the client smart enough to think about business logic, you are doomed. Could you explain more here? What do you consider "business logic". Context: I have a client app to fly drone using gamepad, mouse and keyboard, and video feedback and maps, and drone tasking etc.