Evolution is all about local optimas. If you can't reach your goal with just a series of small improvements, it can't happen. The article claims an organism cou

Evolution is all about local optimas. If you can't reach your goal with just a series of small improvements, it can't happen. The article claims an organism could just eat metal ores. Sure, but to do that you need to start with an organism that already eats and digests ores. Presumably calcium bones evolved in an organism that already had a lot of calcium in it's diet for other reasons.