Way too many people underestimate the French.
The bottom like is not about producing more energy than was put into the system, it’s about making it cheaper than gas or coal. ITER has costed over $20 billion to build, so any energy it produces is going to be phenomenally expensive.
There is a possibility they will cause the universe to implode, but the chances are very low, so I would not worry about it. /s
Note in the bottom - will not be solution for the climate crisis!
Climate dominates everything in the news. Sick.
Another technology that is always just 25 to 30 years away - we promise!