Have you heard of HTML, CSS and forms? They are even more boring, more mature, more stable, often faster, have a huge community, massive resources and ecosystem. React is even built on one of these technologies!
Back in 2013 there was a nifty little library that everyone, absolutely everyone ended up using called https://vanilla-js.com. They even had a size calculator depending on the features, amounting to zero bytes every time (25 bytes gzipped).
