Could of been stopped for an update as i seen there was a mod updated.
I find that scope mod a little to OP plus people will see it doesnt have the stats there chasing and will just leave it and move on, not even taking the time to kill said dino so something else spawns.

sever crashed?

are you able to swap spy glass mod for this one http://steamoss.com/sharedfiles/filedetails/?id=793605978