This is half and half.
Bound NPCs do not show up until you are actually exploring and they do not save their location in the file so
you will not be able see them show up bound like this on the map viewer.
If you have saved them and they are still showing up that's likely because I spent almost 100% of my free time
working on MoreTerra, not playing. I did go find the Mechanic as she has a semi-set spawn point.
I'm currently playing through normally with a new world and character so when I find the Tinkerer and Wizard
I will get them going for sure, though still only after you rescue them.