Kimura Trap has been a term appropriated by certain schools. As a control the kimura is very powerful. Still you don’t see videos explaining how to counter the move often.
Marcelo Garcia, multiple time ADCC and World Champion recently took it upon himself to deconstruct the movement and offer up what is, in his opinion, the best answer to being locked up in a kimura trap.
Kimura trap has been useful in both bjj and mma, most notably recently Davi Ramos used it in the UFC