Have you ever actually read all of the legalize that goes with the terms of use for a new app on your phone? Did you understand it all? Even if you didn't, you probably still checked that you would “read and agree” to everything in the document. This kind of half-hearted consent is similar to what happens for a lot of Catholics every Sunday.
Many Christians aim to make disciples, but there are really two different ways of doing so - spiritual addition and spiritual multiplication. Jesus modeled for us multiplication.
I worked in Campus Ministry for 15 years. It is a place of "hellos" and "goodbyes", due to students coming and going every few months. This constant shifting landscape helped me better understand how to plan for anticipated change. This vision, anticipation, and planning made me a more proactive leader.