Not directly, but when you have devs who only know how to build with the framework and don’t have a grip on what’s going on under the hood or how it all interacts in the browser environment (increasingly common), performance is sure to take a hit.
It's not React's fault that people either don't know what they're doing, or don't care enough to make their software performant. This is not a new phenomenon, bad/rushed software has always existed.
Not directly, but when you have devs who only know how to build with the framework and don’t have a grip on what’s going on under the hood or how it all interacts in the browser environment (increasingly common), performance is sure to take a hit.