> just 20 years ago, all the most popular software shipped with NO tests. are you getting it? Not really? About 20 years ago, I was working on Firefox and we

> just 20 years ago, all the most popular software shipped with NO tests. are you getting it? Not really? About 20 years ago, I was working on Firefox and we had millions of tests on CI. I was working on a host of other open source apps and they all had tests (most of them had no CI, of course).