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Amazon is making its employees come back to the office five days a week
(www.theverge.com)
This is a most excellent place for technology news and articles.
Your position hinges on the survey not being anonymous. I clicked through and found nothing that claims it was not anonymous, and these things are normally done anonymously for exactly the reason you point out: less honesty.
Do you have anything to back this up or is it simply that holding this belief helps confirm what you already believe to be true?