They have partial knowledge, they have some doubts, and, in some instances, it amounts to shirking responsibility.
... 11, 12. (a) What should be done if one has doubts about the validity of his dedication and baptism? (b) Why would limited knowledge or inactivity for a while not necessarily require rebaptism?
11 Due to certain circumstances at the time when they got baptized or due to subsequent developments, some have doubts about the validity of their past dedication and baptism, and they wonder if they should be rebaptized.