That's actually a very important and overlooked issue - fitting the plates properly. I've seen a lot of guys wearing their gear with their plates sagging over their guts or just out of alignment. They're designed to be centered, otherwise you're missing out on some vital protection. Some rigs have really good plate retention, while others are essentially a pocket for a specific/common plate dimension. As suggested above, heavy duty velcro can help with that. Try sewing two strips of pile inside the pouch to attach a velcro strap across the bottom of the plate to hold it snug.
If you’re driven by partisan tribalism more than ideology, if getting in rhetorical digs at liberals thrills you more than persuading adversaries or achieving policy victories, it makes sense that you would fight substantively inconsequential battles with no more or less vigor than any other…