In addition to which, jQuery was actual useful - React is just pure overhead with no real functionality.
jQuery is just pure overhead with no real functionality compared to vanilla js.
If you're making an actual application (think Discord/Spotify) then yes, it becomes a necessary abstraction. Your personal website or news website (or many others) using React is a waste of my bandwidth and CPU cycles.
jQuery lets you imperatively manipulate the dom.
They're different use cases; calling one useful and the other not isn't a very accurate representation.
Many, many approaches solve organizing your code; React is in the middle of a large pack here.