I think others have pointed out that this belief that he'd have to hire someone is a fallacy. There are some pretty basic techniques that he could learn from literally watching a few YouTube videos that could be applied to his existing graphics that would just take them to the next level. He's leaving money on the table because he's too stubborn to admit that visuals matter to a lot of people and the basics of design aren't so complicated that they'd eat his dev time/budget.