Here's why:
* Ambiguity: "Enigma" simply means something that is difficult to understand or explain. It can be used for things that are mysterious, intriguing, or even fascinating.
* Positive Applications: The word can be applied to people who are complex and fascinating, or to situations that are intriguing and full of potential. For example, someone might be described as an "enigmatic artist," suggesting their work is mysterious and thought-provoking.
* Context Matters: The connotation of "enigma" heavily depends on the context in which it is used. If used in a negative context, it might suggest something suspicious or troubling. However, in a positive context, it can suggest something intriguing or alluring.
Ultimately, the connotation of "enigma" is fluid and depends on how it's used in a specific sentence or situation.