"Tier 2 tryouts should take place in August. Gives time for player to grow, train, etc.."
^^^ THIS ^^^
Forget about the virus for a moment.
Kids go to camps and develop over the off season, summer months.
The season JUST ended. At the moment the coaches KNOW the level of their players. WHY would they need to have a couple practices in APRIL to decide a team roster for the fall?