Shipping to production on the first day
Some new starters would fear they’d take the site down
However the philosophy is that if it’s so easy to take the site down, that you can do it on the first day, shame on us that our systems are so poorly architected that it has poor defenses.
At Etsy, getting people to deploy on their first day made them feel safe. What’s actually risky is having un-deployed code. It requires the brain to what’s safe and what’s risky.