First, fingertips readers are not secure: https://arstechnica.com/gadgets/2023/11/researchers-beat-windows-hello-fingerprint-sensors-with-raspberry-pi-and-linux/ Second, fingertips is something you have, you can be forced touch reader and unlock device. You can't be as easily compelled to provide password.
Fingertips and fingertips readers aren't secure
https://arstechnica.com/gadgets/2023/11/researchers-beat-windows-hello-fingerprint-sensors-with-raspberry-pi-and-linux/
Second, fingertips is something you have, you can be forced touch reader and unlock device. You can't be as easily compelled to provide password.