Any social media crowdsourced rating is going to be vulnerable to review bombing/brigading.
You can get some sense of the perspectives with IMDb if you look at not just the score but the distribution of scores (available in the app). A huge spike of 1/10s tells the story.
It’s not that bona fide statisticians can’t get useful data out of crowdsourced surveys, but a public platform like those ones attracts brigading and the score is not adjusted for demographic balance.
Any social media crowdsourced rating is going to be vulnerable to review bombing/brigading.
You can get some sense of the perspectives with IMDb if you look at not just the score but the distribution of scores (available in the app). A huge spike of 1/10s tells the story.
It’s not that bona fide statisticians can’t get useful data out of crowdsourced surveys, but a public platform like those ones attracts brigading and the score is not adjusted for demographic balance.