They get upset about it because it’s a trend in the industry that a lot of people hate. That particular series is a great example where the next game not only adds nothing but even generally takes stuff away from the previous title, but it keeps selling so it’s kind of becoming a trend in the industry for most series to just keep releasing the same garbage over and over.
So it’s less about enjoying a sports game that they are upset about, and more upset about encouraging the behavior of extremely low effort recycled releases constantly