One supporting point for cats being better would possibly be that dogs howl and bark at night when you try to sleep. One supporting point for dogs being better would possibly be that cats like to knock things over.
Explanation:
The way that each side of the argument had something negative to say about the other is what you call a smear campaign. A smear campaign is a plan to discredit a public figure by making false or dubious accusations. Having this in mind think back to the supporting points I gave to you beforehand.
In an essay that argues cats are better than dogs, the author might go into detail about how cats are easier to take care of considering they are proven to quickly learn how to use litterboxes and keep that trait their entire life once learned and managed.
