There is also type 3, the worst kind: the developer who enjoys writing code to "get things done", no matter what the requirements are and the quality of the cod

There is also type 3, the worst kind: the developer who enjoys writing code to "get things done", no matter what the requirements are and the quality of the code. Produces tons of spaghetti code that barely works, without much thought about architecture or quality, and duly accompanied by tons of unit tests that test the exact implementation, bugs and all.