I have used data from an RG discussion of mine in the following research blog:
https://jphmpdirect.com/2019/08/15/diversifying-data-precision-medicine-approach/
I believe with a sufficient sample size it can certainly serve as anecdotal evidence, or perhaps scientific evidence as long as we keep the context--these are opinions. Here is a case in example for two of my own posts:
https://www.researchgate.net/post/Are_good_people_beautiful (3,240 responses).
https://www.researchgate.net/post/Are_rich_people_more_intelligent (438 responses)