Western tanks are built to protect the crew, while Soviet/Russian are built to advance regardless of anything without much consideration about crew safety (typical Soviet mentality). The turret throw is due to the shells being stored right under the crew, beneath the turret, and when those detonate (which is quite easy with modern anti tank weapons), everything is thrown magnificently into the air. Crew has no way to survive. It’s different with western tanks, where shells are stored more safely and such a hit usually doesn’t evaporate the crew.

They also throw their turrets much better when hit.