so ur saying that any big company in this world (or most of them) , and lets give an example, ur saying that Mercedes is not a succeeded company ?
are u sure that the respective owner know to do a car from 0 ?
cmon, this was just awfull. if he got the money and see that he got what he payed for, were is the problem ? if he will not get that , he will fire the dev. simple.
who care how that dev do his job, in time that ur happy for what u payed