You have elevated yourself to the position of CCD-Master-Teacher?
HermCher's argumentation is not only cogent and persuasive, it's masterful.
You confuse membership in the Catholic Church with some "voluntary organization"--membership DOES have obligations.
By the way, that dialogue about "sins of the father...being visited on the sons..." is not meaningless.
Hope your Dad and Granddad were really,really good.But of course they were.You are going to heaven and I am going to hell.