Why the down votes? Isn't it important? If I'm running some CPU intensive processes, I would hope it could send a SIGSTOP to the process so it wouldn't burn itself.

Throttling CPU frequency would help, but I expect siri needs some CPU too.

Whenever the CPU gets too hot the Macbooks throttle. So I would say so.

Good point, otherwise the hardware might damage with constant usage of Siri, or is this the actual plan of Apple?