Google Classroom is generally managed by the School’s IT. Your setup is strange if they request public gmail account and not internal account in the school tenant.

1. Your teacher is correct in not being happy. Giving their personal email to a student is… problematic
2. Remember that your privacy is already breached when a 3rd party in the communication is using gmail
3. Simply create a burner gmail account and do not use that for anything else than inside your school’s google ecosystem

Maybe they should add more restrictions to account? Increase pricing maybe? “Is this your cat watching with you, if so, you need the Netflix Pet+ subscription.”

Maybe Plex is trying to make their Exit Scam more lucrative.

Maybe we should make put Uncle Enzo in charge of the Pizza delivery agents. Pizza would be on time.

Sells would mean the people owns it. In this case the EULA is clear, you are renting the game…