Well, true - but the highest ranked Python(#1) framework is at 25%, with probably a dozen or so Java configurations above it in the list. If low latency and high throughput is a primary goal (i.e. you really need scale) then you're probably going to know about gemini, undertow, grizzly, etc if you're in the Java ecosystem.

(#1 mentioned since it's one of the two languages compared to Java in TFA).