It didn't solve protein folding. It led to new areas of inquiry, but it didn't solve it.
May I recommend reading Derek Lowe's "In The Pipeline" blog for a realistic discussion of the actual impact of Alphafold? [0]
And seeing as we don't have viable fusion yet, saying it "solved" it is really reaching. I'm sure it's helping, but solved? No.
[0]: https://www.science.org/topic/blog-category/ai-and-machine-l...