Hardware folks just follow best practices and physics.

They're different problem spaces though, and having done both I think HW is much simpler and easier to get right. SW is often similar if you're working on a driver or some low-level piece of code. I tried to stay in systems software throughout my career for this reason. I like doing things 'right' and don't have much need to prove to anyone how clever I am.

I've met many SW folks who insist on thinking of themselves as rock stars. I don't think I've ever met a HW engineer with that attitude.