I believe it is a function of the medium. Text is so interesting in that how you feel affects how you read and interpret it.

A good example is the line ‘I never said she took the money’

Depending on which words or sets of words you emphasize when saying it out loud, you can get a dozen different meanings out of the sentence. I.e. compressing human communication into text is more lossy than people recognize.

It becomes self perpetuating. If you feel angry, you will read people’s written word as snarky and you will get into a fighting mood. If you internally sing the communication from someone who is obviously trying to troll or be mean, it actually becomes quite hilarious and it will lift your mood (this is advice I give to people some times).