Yet, different, and sometimes more complex words can have entirely unlike connotations, that much more effectively describe the message the author is trying to convey. Sometimes, simpler words are just that—too simple to properly describe the concept the author would like to capture, and the emotions he would like to encode within it.

That's not to say complicated is always better. Like it programming, the best set of tools are those suited for the job.

In the end, you consider your audience. Can I add more to this sentence to better capture the feeling I'm trying to convey, without detracting from it's ability to be understood? The parent most likely decided that on a forum like HN, the answer was yes.