Text editing wasn't the best example here, because it's very technically involved and much more difficult to optimize than you seem to imply. (In fact, VS Code

Text editing wasn't the best example here, because it's very technically involved and much more difficult to optimize than you seem to imply. (In fact, VS Code is much faster than any of the popular Java-based IDEs.) But replace "text editing" with "instant messaging" and your point still stands.