After all these years I still don't get why jw's go on and on and on about sovereignty. If one is already a Christian it is like saying the sky is blue and grass is green, what's your point? It is obvious. No need for article upon article about it, move on. Shall we discuss at length how green grass is? at some point either you clearly understand that in general grass is indeed green.
If one does not believe in God, an Intelligent Designer or whatever name you want to use, then there is no point to be made until you first get them to believe in God.
I had many discussions with my jw years back and said basically the same thing as above. He had no answer as to why he kept going on about it and got the deer in the headlights if pressed about it. I think the wt just has people regurgitate ad nauseam because they somehow think it is a 'deep' issue.