I had a surprising realization while reading this piece by Al Tabor: https://medium.com/predict/exploiting-the-fracture-points-in-us-politics-for-fun-and-profit-f792e43b37bc

It's possible the commenter you quote isn't even a human! Just an automatic shit disturber. In fact, the way s/he put together that last sentence makes me seriously question whether that was a bot.

That said, yes. Protect yourself. Don't interact with a-holes. Block them. I support your p.o.v. 100%