When a beautiful quilt is posted, I will read EVERY post prior to asking for the pattern information to make sure it isn't already posted.
When a topic interests me, I will read every post
I do not post if there are already a ton of postings or if I am echoing another post without need to.
Recently, when I post a picture of a quilt, I try to include the quilt size and source of the pattern to avoid unnecessary posts...