yes (of course) .. It's fascinating how always people love to jump to conspiration theories .. If it were a cyberattack (and so far it isn't proven at all), it would be nothing less than a state sponsored cyber attack to be able to get down the electrical grid from 2 EU countries - and obviously no "reward" such as crypto would be involved behind the scene
Please read carefully what you linked. It claims theft without a victim being identified. There is no victim and there is zero evidence of being stolen coins.