Didn’t read because paywall, but just eat like a successful hunter gatherer from the region of your primary genetic origin, and you’ll probably be fine. Easier said than done.
Your advice would be sound if we didn't already have an epidemic of gut microbiomes compromised by antibiotics and poor diets over several generations.
Does this including eating parasites as well?
Chesterton’s fence is not a well respected concept in the modern world (understandably so).
There's some evidence that the absence of parasites might be a contributing factor to autoimmune diseases, asthma and inflammatory disorders. See: https://www.verywellhealth.com/helminth-therapy-5225248 for an example.