Why is PiP needed? Attended robots that don’t interfere with the keyboard or mouse can be written using messages or simulate correct? Why would the overhead of PiP ever be needed? What use cases is PiP designed for ?
First of all you can do automation on second OS instance (same machine) without interrupting you current work while still have possibility to see what is going on there. Secondly you can combine automation on two OS instances at once which allows you to do more robust set of automation (for example grabbing data from two applications simultaneously without switching between them as each of application will be displayed on separate instance). Sky is the limit