Because first, it's trite: literally every person in the organization is hired to "solve business problems". Second, I think it's pompous to elevate one's position to some sort of strategic "problem solver" role when, unless you are a consultant, you are hired to translate requirements into working software systems. Your boss would roll her eyes at the "I solve business problems" language. She would say, "Uh-huh. You do that - solve the business's problems. Just make sure you close your Jira tickets while you're doing it."