[philipodonnell]

Wow, yeah, agree. Its not the only point in the article and some of the other ones are fairer criticism, but this line was a bit painful.

Use the median!!!

[chewbacha]

I winced as well! But at least he grabbed an actual mathematical concept used to describe a set of data.. as opposed to whatever NPS is using.

[mathattack]

It's not just mean and median - it's proportions. The metric is about growth, so it's specifically concerned with the top of the distribution.