You are entitled to believe whatever you want, I guess.
The NCAA has explicit limits on the amount of time dedicated to games, practices and team meetings or countable athletically related activities. Student-athletes are only allowed to dedicate a maximum four hours per day, 20 hours per week during the season with one day off. In the offseason, the limit is eight hours per week with two days off.
However, team travel is not counted as an athletic activity. Going to the gym on your own is not counted. Nor are compliance meetings and team promotional activities, such as they may exist.
Here's a pdf of a 2019 study that specifically addresses student athlete time commitments.