I should hope not! More often than not, people who get shot down by publishers either
A. Refuse to write again, which probably means they weren't that passionate in the first place
or
B. Refine their writing styles until they are able to come up with a great, well written story that thousands of...
Well, I've currently published three on websites like deviantart and quizilla... and I'm working on another for that. Oh, and two more for young adult novels. And a manga. And there's about five more that are just ideas at the moment. Not to mention the poems...
Seriously, it's a wonder my head...