Thats odd... the guys that designed the 53-vmax talk quite a bit about shooting coyotes with them, and had the gall to use a picture of a coyote for their thumbnail image.
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And the "rodent" thing you keep going on about is just the icon they use for varmints less than 50 pounds, which would include coyotes.
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You've had a poor experience and have moved on. I get that. I went through a similar thing with 140 Lapua Scenars, despite praise from others. I'm not going to try to convince you to shoot v-max.
However, when you're trying to convince everyone that a bullet that's killed tens of thousands of coyotes is not up to the task, and anyone that uses them is a fool, you might expect some resistance.