It's a well done article that had a lot of research behind it.
FWIW if you're interested in Fusion the book 'The Future of Fusion Energy' is very good.
https://www.goodreads.com/book/show/43700662-the-future-of-f...
Also Commonwealth Fusion Systems put out a lot of interesting stuff about how they are going. Even having a look at their YouTube channel is worthwhile.
Metaculus has a lot of stuff on predictions about when fusion will be made viable :
https://www.metaculus.com/questions/?search=fusion