"Gemini" didn't do anything. As we are often admonished in these threads, "Gemini" is just a stochastic next token predictor, so it can't have any responsibility for 'doing' anything.

Someone hooked their computer to a random number generator that can destroy their computer, and their computer got destroyed. News at 11!

The weird part is why anyone would do that, not that the foot gun inevitably shot someone in the foot again...