There can be many negative issues by limiting the stroke to one direction only. This is not recommended, by me anyway.
In reality, once a person is proficient at operating their machine, the indicating rod is basically for attaching your implements. This really applies to a top link. As far as a side link, you simply line up the stationary side and then adjust the side link as needed.
And of course, if you have an I-Match or other full 3pt quick hitch, then it becomes even a less important factor that needs to be considered.