thanks ?
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Indeed, it seems like Zinczenko’s arguments are persuasive. For instance, he questions that, “Shouldn’t we know better than to eat two meals a day in fast-food restaurants?” Essentially, this is one of the main “they say” attitudes that Zinczenko is counter arguing. He then offers ample examples to back up his argument against the claim mentioned above, stating that “our country [has] more than 13,000 McDonald’s restaurants; now, drive back up the block and try to find someplace to buy a grapefruit.”
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my last sentence seems a bit long. how would you recommend me to revise it?

and for .......he questions that, “Shouldn’t we know better than to eat two meals a day in fast-food ...........
should "Shouldn't " be capitalized? or should i lowercase the "s"??

thanks so much!