Learn to learn by doing; do not outsource your education

“...Tell me I forget, teach me and I remember, involve me and I learn,” said Benjamin Franklin. 
 Then, how do you feel about the students who do not listen to what you tell them, who do not study what you teach, and who do not get involved even if you want them to, and, most surprisingly, still produce good results by outsourcing their learning? 
I never expect to meet anyone like that in any of my classes as a university lecturer, however, this