And burned 3.5 trillion developer brain cells just this january. Sensationalist metrics like this belong in the same trash bin as 'js is objectively bad and non-serious' bs.
That's a piece of factual information for you, yet it has no bearing in this discussion.
Valve's revenue might be factual, but it also does very little to further this discussion. Valve has almost no effective competition, and people will put up with a lot of shit from them because of it — which makes their JS engineering practices largely unrelated to their revenue.