There is no clear line between "what can be obviously done with vanilla HTML/CSS" and "that problem definitely needs React". So, most people opt for something l

There is no clear line between "what can be obviously done with vanilla HTML/CSS" and "that problem definitely needs React". So, most people opt for something like React to enable the capability, in case they need it. There's nobody purely saying that 100% of everything should be in React, but that's effectively the outcome.