The magic of GO is that allow people to stop thinking about memory management and still have performant applications
The magic of JavaScript is you have code that will run everywhere and you can stop thinking about run times in the places that it might run
The magic of React is you can stop thinking about how your things update you just update them you just put new values and the update just happens
The technolgies that win are the ones that do the best job of letting the avarage Dev stop worring about the problem