He's going to teach you about people who sexually identify as Attack Helicopters, of course.

Well, since the word 'robot' literally means 'slave', I think it wouldn't be too hard to do a class based thing. You just need to put in a class system and say "you are 100 feet tall. No, you can't be a kindergarten teacher, you are going to be our war machine".

Thus why Optimus is so keen on giving this right to freedom to all sentient beings.