Earlier quoted context omitted.
I humbly disagree. I've never built a highly interactive application with React, only simple sites where the guys before me chose React, so I can't speak to its relative strengths or weaknesses there, but I've found that it doesn't scale down very well to simple sites. For a simple sign-in page, it's easy to just store state in the DOM and use a element to send the credentials, and maybe a little JS for the password…
Look, just because you're the most popular doesn't mean you're the best, did you fools not learn anything from high school? Look at Microsoft in the 90s-2000s -- terrible fucking software, but it was by far the most widely used.
I sense a theme here.