I agree with user_name's above points. This whole 'argument' is useless. But it looked like it was 5 to 1 against Uchi-something, so I feel the need to post something. After all, the original point of this thread was so that 'casual' players could respond.
One thing I kept seeing a lot was that "competitive players will almost ALWAYS beat casual players." Let's put the emphasis on the other word now, because it's still true: "competitive players will ALMOST always beat casual players." I don't "hate" "competitive" players, and I don't appreciate being lumped in with those weird casual elitists that do. But it's not "100%" set in stone that simply going to tournaments and all that good stuff will guarantee your victory. Saying that 'competitive' players will always beat 'casual' players no matter what just isn't true. Instead of looking at it one way, like 'casual' = bad and 'competitive' = good, look at it the right way (or at least the way I see it). There are bad 'casuals' (n00bs, as a lot of you would like to call them), and there are good 'casuals'. There are good tournament-goers (which is what most people here mean by 'competitive', I gather), and there are not so good tournament-goers. I'm not trying to judge anyone here and put them into certain positions. So I've only been to one tournament. I payed, and there a fair amount of people entered. So this makes me a tournament-goer, right? Prior to my first tournament (which was pretty recent), the only other person I'd ever seriously played against on a regular basis was my brother. Boo, so I'm only 'casual', right? I'd agree. But I totally surprised myself and beat many people that used 'advanced techs' and used mostly Sheik and Fox and Falcon, and we played by typical tournament rules. This was my first tournament setting ever, and I didn't get my *** handed to me by all these people who very much seemed like this was something they'd done many times before. The last fight before I got elminated got down to the last stock between my Pikachu and his Samus, and it was close to the end.
But I don't want to just tell my Smash life story here, so I think I'll stop now. What I'm trying to say, in summary, is that there's no certain line that you cross that automatically makes you better than someone else all the time.