I feel comments like this must come from an individual who should actually be using SSR (Server Side Rendering) and just spitting out HTML. There is no world that composition of components - the #1 reason to use frameworks - can be solved by a "few functions", and anyone who is building serious UIs will tell you you're pretty boned without composition.
My UI is almost certainly more “serious” than yours. But it was started in 2004, long before frameworks were invented….. Just saying vanilla is not nearly as difficult as people think.
