[QUOTE
As far as whether they can't keep their planes clean? How in the world is that "out of their control?"[/QUOTE]

"Finnair ensures passengers' safe flight with all possible foreseeable measures that can reasonably be required. Our aircrafts’ condition is constantly monitored. However, there are defects and circumstances that are beyond our actual control since they cannot be foreseen or prevented due to their nature or origin.
We apologize for the inconvenience this cancellation caused to you. Unfortunately, no standard compensation will be paid as the cancellation was caused by circumstances that are out of Finnair’s control."

Well, for Finnair it apparently is