Thanks to the success of Henning Mankell and Peter Hoeg, there wasn't the same stigma attached to writing genre thrillers in Scandinavia as there was in many other cultures. Quite the opposite, in fact.
It was a sudden inspiration. But inspiration never came without a reason.
As a writer, you have to believe you're one of the best writers in the world. To sit down every day at the typewriter filled with self-doubt is not a good idea.
Do what boxers do, sway with the punches. Don't resist. If any of what happens at work gets to you, just let it. You won't be able to shut it out in the long term anyway. Take it bit by bit, release it like a dam, don't let it collect until the wall develops cracks.
A moral person is someone who accepts the consequences of their own morality, not those of others.