That last sentence is possibly taken from <https://www.joelonsoftware.com/2001/10/14/in-defense-of-not-invented-here-syndrome/ https://www.joelonsoftware.com/20

That last sentence is possibly taken from <https://www.joelonsoftware.com/2001/10/14/in-defense-of-not-invented-here-syndrome/ https://www.joelonsoftware.com/2001/10/14/in-defense-of-not-...>: “If you have customers, never outsource customer service.”