It’s like saying Korean is a simpler version of Spanish.
Yes, Java and Javascript are both programming languages, but they don’t even share the same paradigm.
You might be confusing the motivation that led to the creation of Javascript with the actual implementation.
Having said that, I have used Java professionally for more than 7 years, then I switched to mainly Javascript, and later to Typescript, and I’m never going back. I agree with your overall point.