Of course it isn't~, people who are clearly better than they seem to be make new accounts just to play against low-ranked people and win and rub it in their faces is just so fair.
Simple solution.
1. Get better these douchebags
2. Make a new account
3. Own the douchebags for revenge.
4. Commence Evil laugh
5. ???
6. Profit
EDIT: Almost forgot.
Originally Posted by Psychotic
29 kill spree on Halo.
Twice.
(it should be noted that 30 is the highest spree you'll get a medal for)