We all realise that if 1 single person was inspired and eventually became frum (even if the shabbos just started the process, and he was mekarev 50 years later), the entire concept is worth it.
Sometimes that “feel good” matziv just sets the tone.
So yes. There is probably absolutely noone lined up after havdalah to meet the rabbi, but in a couple (maybe even 10, 20, or even 30) years. You never know