Which is why Linux has made no inroads into mainstream use, despite Windows sucking rocks for the last few versions. And this author is like the guy who says, if you can't rebuild an engine, you should stick to bicycles, n00b, and then tosses a do-it-yourself manual.
That wins no converts.
I ain’t selling anything. The US govt is aiming for 78% adoption for obvious economic interests.
Use your favorite search tool. I bill $200/hour for consulting, two hour minimum. Either pay me or do it yourself.