A "dark pattern" tricks people into doing something they normally wouldn't do. In this case, to board your flight you may verify your identity in one of two ways:
1. Present your passport
2. Use the Facial Recognition software
They are tricking people into using option 2 by not informing them of option 1.
1. Present your passport
2. Use the Facial Recognition software
They are tricking people into using option 2 by not informing them of option 1.