the advent of javascript frameworks was not, as was advertised, to "simplify application state & reactivity" on the web, but rather to satisfy man's primal urge and fervent desire to Build A Quite Strange And Peculiar Contraption
the modern world offers no analog for the surreptitious alchemist, hoarding his vials & devices, wandering where Man Must Not Tread in hopes to stumble upon dark, promethean secrets with which he may harvest glory!
so the react guys were like "we should use more javascript"