I have gone back to a simple four digit code. They can’t force me to “remember” it, as I tend to forget things under stress. More than ten tries and it turns into a brick.
This.
Face recognition is the worst way to lock your phone. Anybody can grab your phone, point it at your face, and it's unlocked.
Thumbprint is better, but you can still be forced to put your thumb on the scanner.
As for me, I have nothing on my phone that would make me fear the police, but I do have a lot that I would not want a thief to have access to.