Steam's concurrent player numbers don't matter as much as you think they do
Discussing Steam concurrent numbers in regards to a game's success is almost never the whole picture, and it's not the most significant metric.
A successful video game is a difficult thing to measure when you're outside the video game industry looking in. The video game industry has always had a transparency problem, and the inner workings of the business of video games have only become more opaque as it's continued to grow. You can't go look up what it took to make a video game in the same way you can go look up what it took to make last year's blockbuster film.
