That is an AWESOME way to grade the success of the lesson!! If half the audience leaves, then either the audience still isn’t making good choices (in which case you clearly didn’t teach them well), or they made the correct choice and your lesson genuinely isn’t worth their time.
(Or you’re teaching an audience that isn’t ready for it, but that’s still a failing in the teaching, just on a more administrative “select your audience better” level.)
That is an AWESOME way to grade the success of the lesson!! If half the audience leaves, then either the audience still isn’t making good choices (in which case you clearly didn’t teach them well), or they made the correct choice and your lesson genuinely isn’t worth their time.
(Or you’re teaching an audience that isn’t ready for it, but that’s still a failing in the teaching, just on a more administrative “select your audience better” level.)