Why does telemachus doubt odysseus's plan to have athena and zeus them in their fight against the suitors?

The suitors plan to kill telemachus in secret, and sneak up on him and Odysseus says they can kill the suitors because Athena and Zeus will help them, and they can trick them, and not let them know that Odysseus is back

In 2081, everyone is equal not only in the eyes of the law but in every way; nobody is smarter, more athletic, better looking, etc. than anyone else. hazel is of average intelligence, which means she can't think about anything except in short bursts, and george has an intelligence way above normal.