Correct. Torvalds built his PC himself and his words are quoted in the ZdNet's article to which the video author refers to as he builds a "copy" for his youtube channel.
The worth of the video is seeing how huge the CPU (1) and the cooler (2) are.
1) https://youtu.be/Kua9cY8q_EI?t=267
2) https://youtu.be/Kua9cY8q_EI?t=639
Which is less surprising once one reads the specs:
https://www.amd.com/en/products/cpu/amd-ryzen-threadripper-3...
"Default TDP / TDP 280W"