Answer:
Typically an opinion would make the information less reliable.
Explanation:
Since you did not provide the lines 1-16 I cannot read it myself, though usually an opinion will hinder the information because it does not include proven facts.
Answer:
He wants to take revenge on Odysseus.
Explanation:
Odysseus attacked the cyclops, made him go blind and even prevented him from receiving help from other cyclopes. The Cyclops knows that he will probably not be able to take revenge on Odysseus in the condition he is in, so he decides to ask for divine interference, so he pleads with Poseidon to interfere with Odysseus's journey home.