He could've have dwindled it down to :
I guess I can openly admit that Yahoo and countless others have more skill than me. Anyway, I'm just going to be mature and cease posting here before it turns into a flame-war, since nobody wants that, right? Bye, guys. 
But no, he had to get that last little word in. I'm sorry, but that's the equivalent of:
I can respect you as a player, so how about we just both hang up before either of us says something we regret? By the way, your mom was awesome last night. *click*
It doesn't really scream "mature", I suppose I'm saying. As well, the "full context" still succeeds in making him look rather asinine.
Indeed, I've updated my previous post and can hardly tell a difference in tone.
The first quote you've got there, yes, is oh-so-humble,
Plague. However, if you will read the next two lines that you quote, they are little more than snipes, which kinda makes that the only positive thing
Dracone had to say in that whole post.
As for "Bye", I'm not sure how that's a "positive" statement. It is (barring context) inherently neutral. I think we can agree on that, at least, right?
In sum:
The whole second paragraph was unnecessary.// Oh, and calm down and dig those ants out of your pants, people. Flame-wars get boring real quick, anyway.

// Why'd my siggy die in this post?
// Speak to me, siggy!
//
No! I'm not leaving you behind!
*sob*// Oh. Forum rule.