Most of these sound like things a native programming language can do. Without being a damn excel file. So it’s basically an argument for making your config files JavaScript, Python, etc.
Also, I said “most.” Not, “there exist no exceptions.”
At Google, many internal tools use Sheets as their source of truth for config data, and it works really well.
I agree completely but thats not the point he appears to be making. He never stated this was the use case and he reiterated that it was a bad idea which should never be done.
Regardless, I’m saying those arent really unique advantages to excel. They just look unique compared to json, toml, yaml, etc.