>FDEs are sometimes mistakenly thought of as consultants, but the difference between consultants and FDEs is that the former make one-off recommendations, whereas FDEs generally work with customers, long-term.
...sounds like a consultant to me!
Also, even if "long-term" was an important distinction, the term FDE itself became popular a very short time ago!!! https://trends.google.com/trends/explore?date=all&geo=US&q=f... so how can you assert FDEs work with customers for the long-term