That's understandable, but our experience with MET suggests that if teachers manage the process, if they collect video in their own classrooms, and they pick the lessons they want to submit, a lot of them will be eager to participate.
É compreensível, mas nossa experiência com o "MEE" sugere que se os professores administram o processo, se reúnirem os vídeos de suas classes, e escolherem as aulas que querem entregar, muitos deles estarão dispostos a participar.