Earlier quoted context omitted.
I did just admit it. Many of the worst-behavers I've encountered act similarly or worse on the internet, and the reverse has been quite accurate for the few I've encountered in that manner. It's certainly prejudice, but that doesn't make it wholly (or even mostly) invalid. Prejudices have a prejudiced opinion applied to them. That snarling dog? It may not bite you, but it's rational to be prejudiced towards believing…
There is nothing good about this at all, this is class warfare and culture warfare all wrapped up together, both very bad and both ripping America, among other places, apart right about....now. You have absolutely no clue about this person and yet you are prejudiced against him, her, it. Is he/she/it 10 years old? You have no clue. You don't know background, you know nothing except that this person just feels that th…
If someone makes a public comment that is illegible [1] or incomprehensible, then I have a pretty good clue about that persons inability to write. Considering how close the ability to write and the ability to think are, you also have a pretty good clue about their ability to think. Of course, this all depends on the assumption the comment wasn't just a troll.
[1] Or can you say that only about handwriting?