While this is certainly up to you, note that relying solely on a passcode can be dangerous, which is why Apple added the Stolen Device Protection feature. It’s best never to enter passcodes in public where someone could be watching. Details in these articles:
https://tidbits.com/series/iphone-passcode-thefts/
If there are other questions or comments about this feature, let’s put them here:
https://talk.tidbits.com/t/turn-on-stolen-device-protection-in-ios-17-3/26566?u=ace