This region has Christian monasteries [1] all around it dating as far back as the 4th century. Unless Muslims started building churches at some point in their existence, I would really have to disagree that Armenia held this land hostage.
There is nothing propagandistic about this site. The OP, Zaurun Fikirləri, is either a Turk or Azerbaijani who is clearly triggered by the content of the article.
[1] https://en.wikipedia.org/wiki/Culture_of_Artsakh