Piloting on a small scale is best. It is what I recommend and encourage. I just think seeing the failure to pilot as a cause of the widespread problem is too simplistic. Why did we fail to pilot needs to be the next question - don't stop at the failure to pilot as the root cause. From there you will nearly always discover, unless maybe you are Toyota or the Kaizen Institute or something :-) that your organization consistently fails to pilot before adopting on a wide scale. Then you need to dive into that issue...
continue reading: Pilot on a Small Scale First - Good Advice We Often Ignore