I joined a company that had two fairly simple internal web apps, one in Angular and the other one in React. Both had been written and maintained by a number of devs, each on the task for a few weeks or months. Both had several issues and blunders that needed to be fixed. However, while the Angular app had a very obvious, predictable structure, with issues confined inside single components or services, the react app was a totally obscure jam of javascript and html with more javascript and more html interspersed within, tons of redux boilerplate and properties passed down three or four levels of nested components. The stuff was such a wild spaghetti mess that editing a form in a foreground modal made the text in a background static page jump around when the number of characters in the form was even.
So no, I didn't enjoy the ride, at all.