Yes, the foods it is found naturally in is Meat.

The fact that our bodies can't tell the difference is the problem because the food that doesn't naturally have it in it isn't meat so it "Tricks our brain"*

You agreed with my every statement the only difference is you come to a contrary conclusion... For reasons, because it's natural?

*(if we want to be completely technical it's our brain tricking itself because it evolved to associate MSG with high protein which is true in nature but it is technically an over generalization)