You have practiced your press for some time and finally found the pressing groove that works perfectly for you. However, while you are able to stick with it with light and medium weights, when you press heavy things start falling apart.
The kettlebell challenges you in an arm-wrestling match, meaning that its weight, displaced from its handle, always tries to bring your wrist into extension. If that happens, you will lose tension and control of the kettlebell, and the game is over.
