I definitely agree that rinsing meat is problematic, but one thing I’ve noticed is that contaminants can be removed a whole lot more easily when the muscle is whole - exposed end-grain seems to wick liquids into the tissue and absorb off flavors / increase water content and odds of spoilage.
Basically knowing this has made me much more comfortable using water or snow to rinse a quarter or a cavity before any major muscles are severed. I’d even go so far as to say that I’d be comfortable hosing off a dressed & skinned carcass if I could dry it relatively quickly.
Tenderloin and rear quarters are obviously the most prone to trouble here so I think the best advice is to start clean and if you find contaminated meat after the fact just separate it and trim it to clean ASAP. For little splashes of bile or gut contents, just wipe clear, use a damp rag or vinegar if you feel compelled, but keep it the heck away from end-grain.
Hope that helps
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