After nearly 20 years of working in IT-related roles, across development and security, one thing sticks out like the proverbial "dogs balls" yet so few companies see it.
If you treat your people well, your business will do well. It's so simple. Companies that look after their people retain those people, and those people work hard to make the business succeed.
So, stop treating your people like resources and treat them like humans, for fuck sake!