Carollzinha and Lauda isn't on my
custom Trust list. So why is their feedback showing me there? Their feedback should be Untrusted feedback like everyone else. isn't it?
Check your
Trust settings in
Hierarchical view: someone you've included must have included them.
See also this:
Custom Trust lists have large recursive implications because the users you trust directly (Depth 0) make you trust the ones they trust (Depth 1), and the users they trust (Depth 2)