If you treat your people like valuable members of society/your organization they will develop and improve on the actual skills that an unskilled job needs, like anticipating problems, knowing when an how to escalate issues, being warm to customers, being knowledgeable about the business and your products, and hustling when needed.
If your treat your people like disposable chattel then they’ll show up to punch a clock, check the boxes, and get out as soon as possible.