Since Jim Keller is quoted in the article, it would be good to point out that his new company uses RISC-V cores a lot [1] and have licensed their design out [2] to other companies. It seems to have been the correct choice for them.

[1] https://www.tomshardware.com/news/tenstorrent-shares-roadmap...

[2] https://www.anandtech.com/show/21281/tenstorrent-licenses-ri...