The mistake is not to learn about frameworks but to spend too much time with the details of one framework. Reading a 500 pages book about a specific framework i

The mistake is not to learn about frameworks but to spend too much time with the details of one framework. Reading a 500 pages book about a specific framework is most likely a waste of time. But getting an overview about the framework landscape is crucial. Using the wrong tool can lead to a dramatically slower dev speed. Choosing React over Angular for an app with complex interactive views leads to an enormous increase in dev speed. (Angular is hell for complex views.)