If I want a career in film line and right now want to do BJMC, is there any scope to have career in film line?

A filmmaker friend gave a suggestion that in place of doing a Degree in Film Making, one can go. And Assist a Film Maker to start learning the real things of film making because even after doing the. Film. Makimg Degree, you can get into Film. Msking only by Knowing Work and good Skills. I shall sug