1) IgG food tests are not scientifically validated.

2) GI irritation is separate from inflammation, and many common food stuffs that may be causing irritation generally decrease inflammation.

3) Those "plant toxins" are either deactivated by processing (cooking etc.) or are in such low quantities that there's no negative effect, and most of the time even a slightly positive one.

4) "Most research studies" on red meat are not flawed.

Edit: Formatting.