LET THEM DROP!!!
I have made numerous lines, some have dropped on their crossing night. Why would you even have to discuss whether or not to try to make them stay? If their line bros cant convince them to stay, then why would you?
If they cant handle being on line, then how can they possibly handle doing anything being a member?

Pledging on a line is to prepare you for whats in store inside the organization so if you cant handle the line.............
OK, I just read where it was their grades. When I was on line, we had set library hours where we had to study and do our work. I had a 3.75 GPA when I was on line. Apparently, they are doing too much sleeping instead of studying. Sleeping was a luxury on line.