[6] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2989112/ is a questionnaire, meaning the study design is flawed from the start. What you are looking for is double-blind, placebo-controlled randomized studies, not funded by the meat, egg or diary industry. For example, you can take a look at these studies here https://www.ncbi.nlm.nih.gov/pubmed/?term=Fung%20TT[Author]&...

Iceman Otzi had an artherosclerosis, not the best example of good health https://www.livescience.com/62689-otzi-iceman-mummy-heart-di...

[7] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2716748/ is only 24 week period, following obese patients, which already have extremely high levels of LDL by default. First of all - 24 weeks is not that long of a period, second - if you just put obese people on any kind of diet that restricts calories or reduces the amount of processed foods they eat - it is only natural that they LDL will be lowered as a result

You can also take a look at this compilation of health studies: https://docs.google.com/spreadsheets/d/1cOFTFhMg1UakqvP5MGe6...