A drop of anecdata: Once had a several-days argument about deploying a fix involving an SQL query analysing information from our deployed devices because the ot

A drop of anecdata: Once had a several-days argument about deploying a fix involving an SQL query analysing information from our deployed devices because the other developers were convinced it wouldn't work efficiently for 1000+ devices. Client was threatening to withdraw their money and support -- which would have killed the company I was working for -- if we didn't make things work RIGHT DAMN NOW. Reader, we had 25 devices.