And neither is the ubiquity of any one particular software product. There are always factors beyond 'Was Bob a good engineer.' 95% of businesses exclusively used Windows in the early 2000s, but that doesn't mean that you should blindly hire anyone who worked on it.
The author of that blog post wrote Homebrew. Thousands of engineers use it on a daily basis. That's great. I use thousands of pieces of software, worked on by hundreds of thousands of people, on a daily basis. That doesn't mean I should skip the interview process, and hire all of them. Some of those people are rock stars. Some... Are awful developers.
And neither is the ubiquity of any one particular software product. There are always factors beyond 'Was Bob a good engineer.' 95% of businesses exclusively used Windows in the early 2000s, but that doesn't mean that you should blindly hire anyone who worked on it.
The author of that blog post wrote Homebrew. Thousands of engineers use it on a daily basis. That's great. I use thousands of pieces of software, worked on by hundreds of thousands of people, on a daily basis. That doesn't mean I should skip the interview process, and hire all of them. Some of those people are rock stars. Some... Are awful developers.