The article presents measurements indicating that Typescript has won greater mindshare compared to similar JavaScript transpilers.
TypeScript is a transpiler + type checker. If you just need a transpiler the author makes no recommendation between Babel and TypeScript
"Won" may be click-bait a little bit here, but I think the overall message is that if you are starting from scratch and deciding on which toolchain or approach to pick from, Typescript may be your best choice (but obviously not the only choice, since you may have specific requirements that affect this generic recommendation).