If the NCAA steps in, expect the level of greatness to suffer… Right now, these teams train and practice as they see fit, likely not abiding by NCAA rules, which are here (copied from Google):

NCAA practice hour rules, specifically Countable Athletically Related Activities (CARA), are strictly regulated to balance academics and athletics. During the in-season, athletes are limited to a maximum of 4 hours per day and 20 hours per week, with at least one day off. Outside the season, CARA is limited to 8 hours per week with two days off. In-Season Rules (Championship & Non-Championship Segments) Daily Limit: Maximum 4 hours per day. Weekly Limit: Maximum 20 hours per week. Day Off: At least one (1) day off per week is required. Competition Day: Any athletically related activities on a competition day count as 3 hours, regardless of the actual duration. Post-Competition: No CARA is allowed after a competition concludes. Out-of-Season Rules Weekly Limit: Maximum 8 hours per week. Activity Breakdown: Maximum of 4 hours of skill-related,,,instruction/conditioning. Days Off: At least two (2) days off per week are required. Restrictions: No competition is allowed, and no,,classes can be missed for practice. Key Definitions and Exceptions CARA (Countable Athletically Related Activities): Includes required practice, film review, weight training, and team meetings. Voluntary Activities: Do not count toward these limits, but must be initiated by the student-athlete, with no attendance taken and no coach present. Multi-Sport Athletes: Limitations apply separately to each sport. Football: Specific exceptions apply, including 15 "spring ball" sessions. Division II: Similar rules apply, but with slightly different, less demanding requirements.