Preachers misunderstand (and misuse) the word “last”.
“Last point” is not a valley, it is a cliff. Period.
A valley, you go down feeling that it’s end the but you go up again. A cliff, you go down and you’re done.
What they really should say is “this is my last point but there are five more points under this last one.” Then the people will truly want to jump off the cliff.