If all you do is write long run-on sentences, then point 9) you look like an idiot and more to the point, Point 10) no one is going to bother reading them no matter how interesting and insightful it is. You could write things all day long and even though it might be spelled rite and ain't got no many atrocious grammar missteaks, as long as no one reads it then all you've done is waste both your time and theirs. Also, you've increased global warming by breathing and expending energy while you wrote your War and Peace masterpiece and it didn't make any difference in the long run. So in other words: white space on the page is just like air in your lungs, if you don't have any white space in any or your paragraphs you should just stop breathing while you write it so that you remember not to do that. Blank space also creates a slight sense of restfulness for the eyes since you don't have a giant wall of black text staring at you that you have to parse. Instead of having a massive square of text, you might try a more artistic approach for your choo-choo (See marshall). If you just don't care though, you can write as much as you want, even try to write the Great American Novel. All you're doing though is taking low-paying jobs from a million monkeys, and now-a-days putting them on the unemployment line since they're people too. I suppose that's better than being served up as Soylent Green, though. And yes I know that in slashdot you can make things look as pretty as you want in the Comment section, but if you don't delimit them and add the internal markup, then you end up with stuff that looks a lot like this, I'm the only one still here, aren't I? Gee, this is just like back in grammar school when I was the last one picked for dodge-ball, as I couldn't dodge very well. That mean old Tommy always kept picking on me and throwing the ball as hard as he could; he even broke my arm one time and then stood over me and laughed and laughed. I hated him, I've hated him for years. He was always better than I was in almost everything, but just exactly like you he didn't bother to use white space and paragraphs while writing and
So use white space or a wrecking ball might soon come your way. Oh, and those are all good points by the way, once you find them.