Arguing With A Fool? Excellent advice also applies to the internet, it is my ongoing struggle to remember to apply it.

https://www.openbible.info/topics/arguing_with_a_fool

Proverbs 26:4

Answer not a fool according to his folly, lest you be like him yourself.

Proverbs 29:9 

If a wise man has an argument with a fool, the fool only rages and laughs, and there is no quiet.

Proverbs 18:2 

A fool takes no pleasure in understanding, but only in expressing his opinion.

Proverbs 14:29 

Whoever is slow to anger has great understanding, but he who has a hasty temper exalts folly.

Proverbs 26:11 

Like a dog that returns to his vomit is a fool who repeats his folly.

Proverbs 15:2 

The tongue of the wise commends knowledge, but the mouths of fools pour out folly.

Proverbs 20:3 

It is an honor for a man to keep aloof from strife, but every fool will be quarreling.

James 1:19-20 

Know this, my beloved brothers: let every person be quick to hear, slow to speak, slow to anger; for the anger of man does not produce the righteousness of God.