They are "Dumb because they did not understand the show, and he hates them since every year less and less go.
A "Melee" is a synonym to pandemonium. It is something disorganized but the only difference here is that it mainly has to do with sports.
Change "Unhelpful" to "Destructive" is your answer to this question
I've always been told check for <em>spelling errors </em>first, which technically you are beginning the process of proofreading.
Next, I've been told to look for usage errors, which means, did you use the word in the correct context.
Then I believe you look for grammar mistakes, which includes subject verb agreements, fragments, punctuation, and can include style of the paper, which I believe looks at the sentence variety.
Hopefully this helped and good luck.