Yes, of course. And 'education' has a very small effect on human behaviour. It's documented that 'educating' people has much less effect than a host of other things; modeling and mentoring, making things easy or hard, making things attractive, making them socially acceptable or not.
You have an induction course. Then you see the way prisoners are treated and spoken about by other guards, you feel sorry and sad. You've been trained and socialised to be a support human for men. Men can't manage their behaviour, poor babies. You've been socialised to think of anger and violence as sadness in men. Maybe you've experienced unhealthy or abusive relationships and this is your comfy place.
It's very very easy for a manipulative man to influence a naive 21 yo.