I used to sous-vide a lot. It was certainly great to get perfectly-done steak. but I still didn't love the result and it took me a while to figure out.
Specifically: sous-viding at 130 doesn't reliably render fat. So it's great for a lean filet mignon like your suggesting, but kept giving me rubbery fat in anything with more fat or significant marbling. I eventually switched away from sous-vide (I usually either grill or reverse sear, depending on my effort/time availability) for most cuts these days.
Honestly this is like the Dropbox comment all over again. Everyone is missing the point, it's glorious. :)
Most people cooking steaks don't care about the optimal way to cook steaks, or want to find out.
Most people building software today don't care about the optimal way to build software, or want to find out.
That's TFA. That's the point. That's what we're discussing. :D
Only prerequisites are a cheap kitchen thermometer, a ziploc gallon bag, and a cheap cooler. Everything is available at your typical supermarket or even goodwill. This is a very hands off cooking method and requires no experimentation, just follow the recipe and you get a perfect steak every time.
The key is that a cooler holds hot things just as well as cold things but without a circulator and heater to keep the water warm, you're at the mercy of the cooler's R-value. The water will eventually get too cold to effectively cook the meat so you're limited in the length of time you can sous vide. Doing a 24 hour chuck roast is simply not going to work unless you're refilling the cooler every couple hours.
This "simple process" is much, much simpler than most meals one cooks at home. It's not much harder than microwaving something.
You are missing the point. With a small change in the way you do something, the really good thing can be made.
Bad restaurants, sure. It does not hold a candle to any half decent steakhouse.