The title is a pun on "Cape Fear", a 1962 film (later remade by Martin Scorsese). In it, a small town lawyer has to defend a rapist in a trial. Shocked by the mans crimes, the lawyer withholds information (about the sexually promiscuous activities of the victim) from the trial to ensure his conviction. After serving a 14 year sentence, the rapist is released and returns to terrorize the lawyer and his family.

Why didn't Jake just unplug the garbage disposal?

Jake collects John Wayne coins.

Why doesn't Daria just plan to do something with Tom to escape both her family and the reunion?

Since when do summer camps have reunions, anyway?

Why does Amelia care whether or not Jane and Trent get t-shirts?

Echolalia is the often pathological repetition of what is said by other people as if echoing them.

When Skip starts singing the camp anthem, shouldn't he be cooking instead?

Daria's (and, later, Amelia's) line about lives of quiet desperation is a reference to Walden by Thoreau.