ROAR Maxamps 4200 pack?

I gotta ask, why so much hate on maxamps? I have one of their packs and it seems to be a terrific performing pack. Everyone always seems to dog on them, unless I have an exceptionally good pack from them. I don't have any graphs or anything like that but in a 5.15 lb rustler with a mamba max 6900 geared extremely high (28/83) it provides every bit of torque it needs to flip the car backwards at any speed, be it take off, mid, or top end with a pull of the trigger. Or maybe my system doesn't draw as many amps as I thought, I don't know. Its a 20c 2s2p 6000hv pack, the only other pack I can compare it to is a 10c 8000 true rc pack, but that isn't a fair comparison. I've had it since February and its as good as ever, I did do a full charge on it the other day and it took 6655 mah. Not to sound like a maxamps thumper, but I've no regrets buying the battery and it satisfies my needs. Are there that many failures out there?