You can see problems that aren't appear in a double-spaced Courier typescript. ( Yes, you could do this in the old days on galley proofs, but that was an expensive luxury for most writers).
I think also being a police officer requires you to get your hands a bit more dirty; maybe use physical force to restrain criminals, maybe be faced with very difficult situations as well.
The more of the details of our daily life we can hand over to the effortless custody of automatism, the more our higher powers of mind will be set free for their own proper work.
If there are two candidates, the Constitution of the Conservative party, to go to the members, and there's no way around that without amending the Constitution, which is a very time-consuming, laborious and uncertain business.