JSX is <div>abc</div> turns into createElement('div', null, 'abc') and you can use that instead of JSX if you like or you can use something like hyperscript. Everything else like mapping or if statements is pure JS and works just like JS anywhere else in your app.

Vue templates mean learning Vue's custom syntax for if statements, loops, dynamic attribute syntax (with its own gotcha), binding dot modifiers, data binding, and whatever else. It requires learning its entire custom directive system. It uses custom syntax for stuff like events too.

I don't see this as remotely comparable with Vue being much closer to something like my time working with Angular 1 (a time I'd rather not repeat).