There's been plenty of articles pointing out that certain demographics are very under-represented in training sets, leading to all kinds of errors [1] [2].
Technological advances aside, the company should have clearly disclosed their use of facial recognition technology - concealing that raises serious privacy issues.
1: https://www.npr.org/2021/09/04/1034368231/facebook-apologize...
2: https://news.mit.edu/2018/study-finds-gender-skin-type-bias-...