THIS MAKE SCENES LO0L0L

Learn grammar. but still, it makes sense.

1) You might consider using a browser with built-in spell checking (e.g. Firefox) or copying your piece to a word processor like Word, doing a grammar and spelling check, and copying it back.
2) It appears the real point of this site is to write collaborative stories with people. To that end, instead of venting, why not try to use fiction (a root word for “ficlet,” I suspect) to try to understand what happened in Virginia. Write a story from the shooter’s POV , or the POV of a victim, for instance.
[cont.]

[cont.]
3) To answer your question, he was mentally ill. You’re applying rational standards to a person who, sadly, was clinically irrational because there was something wrong with his brain. Sometimes, sad things happen that make no sense.

Critics abound no matter how good you are. But nothing can damage words written with a pure heart. Reference Ursula Le Guin on the “power of words”.