I'm not getting into the brackets, or what-ever-you-want-to-call-it.
I'd like to point out, as has been mentioned else where, that the arena is basically fair (knowing how to choose your moves excepted) The novice arena used to be where you got all your 45 moves, and the main arena would also let you get moves at times. Presumably so that those who didn't have any gear access other than what they were wearing could pick up moves without having to assemble a 5-100 set.
Of course all that's changed now.
What hasn't changed is how to use your moves. BraveKath pointed out that there were in the good ole days, folk who would help the new comers out, by suggesting things they could do. (Sounds suspiciously like our defunct Mentor program doesn't it? )
I have been helped by a 700+ arena winner who has graciously given me hints, and even the, "What the hey! Why don't you try it and see what happens!) Aside from being able to earn my moves (as opposed to buying them) I didn't want any special treatment, half the fun of the arena is learning how it works, with the only loss a bit of gold, my tuition if you will.
Keep in mind that there are already advantages for those who play the 1-99 levels, making it "easier" to score a win, even against one of the Arena Champions (a few of them do go slumming down there )
I will make one comment about the current system. It's much more expensive to play then it was last week at this time, if everyone wants to keep newcomers coming (and staying) this is a consideration too.