Hey there Gnome of Zurich,
Thanks for reaching out to the Apple Support Communities. We understand you have questions about still needing to enter your password when Touch ID is enabled on your Mac, and we'd be happy to provide you with the best details.
To get started, this would be expected behavior. For security, you need to enter your password when you start your Mac. Additionally, you may need to enter your password to continue using Touch ID. For example, you would be required to re-enter your password every 48 hours and after five incorrect fingerprint attempts. You can find this and more details in the following link: Use Touch ID on Mac
Let us know if you have any other questions; we're here to help.
Have a great day!