Note when reading the admission of a alarmingly small sample size and subjective results due to the survey methods used. This was a highly biased and rather unscientific study that started the whole fear of the spider gene.
https://www.researchgate.net/publica...ns_for_welfareOne animal welfare respondent stated, "Mild torticollis would still be quite uncomfortable, according to the 'how would that make me feel?' principle."