I think that's a gross oversimplification of a deadlift, honestly. There's nothing incorrect about "overthinking" a deadlift. Certain plyometric lifts and olympic powerlifting aside, it's easily the most technical lift -- one which, when performed incorrectly, can lead to serious injury.
When I said I was overthinking it I didn't mean I was overthinking the lift itself; I meant I was overthinking how I used to do it. Everyone eventually finds their own niche with deadlifts. I use to have them down perfectly. I still know the mechanics of the lift (by the way, you actually don't lift with your back - you lift with your hams/glutes...the rest of the posterior chain is simply a carrier of the resistance).
You can have a straight back and not jerk the weight and still not reach optimum performance. It's all about the individual's unique proportions.
And, please don't ever compare deadlifting to an infant standing up.
