I looked at the list of speakers and decided I was not really interested. There were the people whose opinions I value and those whose opinions I'm not interested in. I might listen to John Ioannidis about bias in nutritional research because that perspective is important if the field is ever really going to move forward. I could be accused of being heavily biased in favor of low carb but my bias is based on my n=1 results which is sufficient to inform me of what to do. Listening to those whose bias goes in the other direction just infuriates me and I prefer to not be infuriated.