Otherwise, surveys would provide valuable data, but since these surveys are usually conducted using the (e)NPS loser metric, which tells nothing about employee satisfaction, the figure is practically useless. The mathematics behind NPS figures were disproven over 10 years ago, but it is still seen everywhere in business arenas filled with animal spirits and kitchen psychology.
https://businessoverbroadway.com/2018/05/07/data-science-reveals-three-problems-with-the-nps-dogma/
For example
6,6,6,6,6,6,6,6,10,10
And
0,0,0,0,9
Give the same eNPS result.