No Race/Ethnicity Reviews for Amazon Glassdoor

Hi, For another project, I have compiled LinkedIn's top 10 (50) companies of 2021 and their respective Glassdoor ratings. When reviewing, I noticed that Amazon was the only employer that does not show race/ethnicity reviews. Due to Amazon's high review count, It's extremely difficult to believe employees have not submitted this data. The review list and screenshot of missing demographic reviews is shown below. Is there a good reason for Amazon's missing data? I'm trying to stay open-minded here...Can Amazon opt-out from showing this data? Or have they really not had submissions yet? Rank Company Rating Review Link 1 Amazon.com 3.8 https://www.glassdoor.com/Reviews/Amazon-Reviews-E6036.htm 2 Alphabet 4.5 https://www.glassdoor.com/Reviews/Google-Reviews-E9079.htm 3 JP Morgan 4.0 https://www.glassdoor.com/Reviews/J-P-Morgan-Reviews-E145.htm 4 AT&T 3.6 https://www.glassdoor.com/Reviews/AT-and-T-Reviews-E613.htm 5 Bank of America 4.1 https://www.glassdoor.com/Reviews/Bank-of-America-Reviews-E8874.htm 6 IBM 3.9 https://www.glassdoor.com/Reviews/IBM-Reviews-E354.htm 7 Deloitte 3.9 https://www.glassdoor.com/Reviews/Deloitte-Reviews-E2763.htm 8 Apple 4.3 https://www.glassdoor.com/Reviews/Apple-Reviews-E1138.htm 9 Walmart 3.4 https://www.glassdoor.com/Reviews/Walmart-Reviews-E715.htm 10 Ernst and Young 3.9 https://www.glassdoor.com/Reviews/EY-Reviews-E2784.htm

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