It’s OK to not use Yarn – Hacker Noon

When I first read about Yarn, many moons ago, I thought hey, that’s neat. But I knew it wasn’t something I needed — like smart watches, or ‘friendship’.
As the months rolled by, I saw it showing up more and more in the install instructions for npm packages. Angular, Webpack, Prettier, Babel-loader, Bootsrap — all will inform you of the option to yarn add …
I should be content to let the people be excited about the hot new thing. It’s really none of my business. And mind my own business I did, until I heard this: “we use Yarn because it’s more deterministic than npm”. I gasped, but luckily was able to cover my mouth in time so I don’t think they noticed.

Source: It’s OK to not use Yarn – Hacker Noon