This is so old, and done to death.
Results speak for themselves.
As far as upgrading their kit every 4 months, what the hell are you talking about?
. The TKI2 is the first update of this car in 2 years, yes they have developed new/better parts during that time, but it's not a new car.
The ST-RR just won the ROAR Truck championships, it is probably the oldest, (but still best) truck available, and continues to set the benchmark.
Think what you like, and continue to get beaten by Kyosho, their record IS the envy of every 1/8 manufacturer out there.
Quit whinging about it, if you dont want to buy it, Dont! Remember that the world is bigger than the USA. Granted, the USA would be the biggest individual market, but not bigger than the rest of the world.