No, passport revocation can happen to stop someone travelling without suggesting their citizenship is in doubt. See, e.g., the section on abduction of minors i

No, passport revocation can happen to stop someone travelling without suggesting their citizenship is in doubt. See, e.g., the section on abduction of minors in http://travel.state.gov/passport/ppi/family/family_864.html http://travel.state.gov/passport/ppi/family/family_864.html