You obviously shouldn't get mad at New Year's resolution gym goers just because they're new, but you are still always allowed to get mad at bad gym etiquette and behavior from anyone, new or not
Did I ever tell you about the gym owner guy who measured my body fat when I was signing up for a membership and then he pulled out a chart and said, "okay, now here's where you are now... And over here at this percentage is where you start to look attractive"?