You can pretty easily argue Graal is better than V8 in many different ways. V8 is good at what it does but its ambitions are very limited. They only care about

You can pretty easily argue Graal is better than V8 in many different ways. V8 is good at what it does but its ambitions are very limited. They only care about Chrome so anything Chrome doesn't need gets ignored. And JS is inherently difficult to compile to highly optimized code.