Ok, if you want me to look at it, ill need more information.... how wide is your shelf that supported 200#? the vertical height of your support youre screwing to the wall. How many studs did you get screws into?. where were the load placed? you said 50# bags of what? were they 10" wide?LOL
I knew you would not take the bait.
You believe what you believe, without being able to prove your point.