Not sure how exactly React became so standard, but I'd assume it was a combination of the backing of Facebook and the frustration with performance and developer UX of Angular, which was most popular at that time.
In our case, we had started a large project with Vue because most of our small team was familiar with it, but our tech lead decided to pivot to React because we had so much trouble hiring for Vue development in our city.
In our case, we had started a large project with Vue because most of our small team was familiar with it, but our tech lead decided to pivot to React because we had so much trouble hiring for Vue development in our city.