[watwut]

Specifically, commenter you responded to cares. Because, as he puts it "it’s really easy to get sucked into spending too much time and ending up tired or sacrificing other recharging activities like exercise and socialization." He literally describes negative overall impact he perceives. He is not feeling bad for gaming for irrational reasons, he says it makes him tired and makes him sacrifice exercise and socialization.

He even admits it is theoretically possible to do it differently, but also observed people not doing it differently in practice.