Why do people on this subreddit act like Call of Duty isn't an important series?

Seriously, it seems like people here don't quite realize that Call of Duty is arguably the single most important franchise in the entire gaming industry, other than maybe Pokemon. A Call of Duty game has been the best-selling game of the year for eight of the past ten years, everybody plays it.

This subreddit acts like it doesn't matter though, which is really strange to me.