AI Training, compared to crypto, has at least been used in medicine to:
Create novel proteins based on specific requirements (useful for developing medicine): https://www.cell.com/chem/fulltext/S2451-9294(23)00139-0?_returnURL=https%3A%2F%2Flinkinghub.elsevier.com%2Fretrieve%2Fpii%2FS2451929423001390%3Fshowall%3Dtrue
Detect possible cancer: https://hms.harvard.edu/news/new-artificial-intelligence-tool-cancer#:~:text=CHIEF%20achieved%20nearly%2094%20percent,datasets%20containing%2011%20cancer%20types.
And there's many more uses you can easily find if you look into it. Don't just assume every LLM slop is all what AI is. Even LLMs probably have their use in stuff actually relating to language, such as translation.
If they were so inept as it's said, Ukraine wouldn't perceive them as this big of a 'Help us ASAP stop them from reaching' threat.
And since when is recognising the military power of an army simping for fascism?