Purpose
When looking at these speeches it is important to ask if they are being used for the purpose of good or evil. While the animals who hear these speeches are conditioned to think they are for a good purpose, it is easy to tell from an outsider's point of view the intent is more pernicious.
Is It Convincing?
It takes a lot to make a convincing argument—reasons, appeals, delivery. The speaker is also an important part; even the best argument fails if the speaker