Your post was poorly reasoned, and quoting Wikipedia was frivolous. Furthermore, it was written in a way that's grating for many people, regardless of your (poorly reasoned) points, because it

a) reinforces the notion that you didn't care enough about your message to spend 15 seconds longer on it to write it properly, a feeling which already existed in readers' minds because of the presence of your (poorly reasoned) points, and

b) requires readers to spend longer parsing your comment before being able to comprehend the (poorly reasoned) points you were attempting to make.