I'd rather use Redux without React than React without Redux. Sure there's some boilerplate but we use typescript so the redux boilerplate seems trivial in comparison.

Redux keeps your app _simple_. That's not the same as easy. It means that you can reason about your app as it grows and new features are added. When you run into problems like: this page is taking too long to load because we do calculations x, y and z on the server to push the data to the app. But z takes forever to compute and makes the initial page load painful. With Redux, you can move z to an async endpoint and just load x and y on page load (put the component that needs z in a loading state). Then, fire an ajax request when the component mounts to get z. When that call returns, it updates your store and the component that needs z transitions from loading to loaded.

I took me a couple of hours to do the above in a Redux app and decrease the page load from 2 seconds to 300ms. And it didn't add complexity to the app that would make it difficult to maintain. I don't even want to think how long that refactor would take if the state had been managed with React.

And ... don't even get me started on how easy -- and fast -- it is to test a Redux app. Zero side-effects means zero setup and teardown between specs.