People use logical fallacies because they don't know how to effectively prove their point. For example, politicians may try to attack their opponent's reputation instead of mentioning something that is actually relevant to the topic.
Answer:
FIrst of all, Choose the right theme for the Podcast.
Second, You should be Consistent.
Third, Make sure you Podcast is friendly and polite.
Fourth, Keep a good control over the Podcast.
Hopefully, it helps..