More to the point, the keys should't be angled any way, the key blocks should be. That is, each half should be ortholinear. Because fingers aren't angled on the

More to the point, the keys should't be angled any way, the key blocks should be. That is, each half should be ortholinear. Because fingers aren't angled on the joints. Also a flat keyboard isn't “extremely ergonomic,” because human fingers rotate on joints instead of being extendable and retractable. The keys should form a bowl for each hand, like on Maltron and Kinesis Advantage.