Yes, there is information related to that:

  "The applicant does not intend to reside in Iceland for the long term."

Mildly similar to the concept of "dual intent" in the US immigration system

Maybe if you meet someone there and get married?

The link says that a condition for approval is "The applicant does not intend to reside in Iceland for the long term. "

According to the link, a prerequisite for the visa is explicitly not intending to stay long-term