It works fine,,and why wouldn't it. 150 to 180gr 30cal+ bullet @ around 2500/2600 fps.
There's a tendency to over-think such things today, maybe just marketing at work,,providing the need for a new and better to replace the old and crusty.

I used it when I was still deer hunting many (many) years ago and never felt it was a problem. I'd still feel perfectly fine with my Lee Sporter in 303. Or even just a No1 rifle for that matter.