I think the problem with meat is it's high pro inflammatory omega 6 content from grain feeding.
Have Seed Oils Caused a Multi-Generational Obesity Epidemic? Stephan makes a good job of explaining some of the effects here.
I found this particular graph showing the omega 6 ratio in human breast milk particularly disturbing.
If we would turn up our noses at consuming feedlot produced meat with a 20 <> 1 omega 6<> omega 3 ratio but are actually feeding that ratio of Omega 6 to our next generation in mothers breast milk we are putting their future health in jeopardy.
In the UK it's still the case the most UK produced meat is mostly grass fed for most of the time. Where I live in the UK buying meat direct from the farm is possible.
Certainly it works out cheaper to buy a whole lamb that's been raised on grass cheaper direct from the farmer than from the supermarket if you have a large enough freezer.
Reducing omega 6 intake is going to be the next major requirement for reducing pro inflammatory status. It's no good thinking that simply raising omega 3 intake with supplements will do the trick. We've not only got to reduce direct intake of industrial seed oils such as corn, soybean, safflower, sunflower and cottonseed oil but also all the processed foods that contain them and feedlot produced meat that is higher in omega 6.
We've also got to be concerned about farmed fish for the same reason, it probably contains far more omega 6 than omega 3 and once your N6 is more than 5 times your N3 the N6 displaces the N3 so things only get worse.