0-100F is not base 10 at all, it’s just what you grew up with. I grew with Celsius and I can easily feel the difference in a few degrees. TV weather people saying that the temp will be in the 80s is less useful to me than if they tell me if it will be 27°C for example
Why would you do ±1°C if the sous vide can do decimals?
Also, the recipe calls for 130°F because it was made by an American, if you look for European recipes it will probably say 54°C. Neither will add decimals to their recipes because that’s just being anal
I use F in the kitchen a lot because most of my appliances work in that and also because I basically learn to cook until I moved to the US, so again, what you are used to