It's not about punishment. It's not: oh, you did something bad, you need to be punished for it. It's that it shouldn't be easy, and doing it in person makes sure of that. That's all it is. And it sounds a lot like you're rationalizing your desire to avoid that situation by telling yourself that it would be better for the employee, as though you won't let yourself consider the idea that it's all about it being easier for you.
It's not about punishment. It's not: oh, you did something bad, you need to be punished for it. It's that it shouldn't be easy, and doing it in person makes sure of that. That's all it is. And it sounds a lot like you're rationalizing your desire to avoid that situation by telling yourself that it would be better for the employee, as though you won't let yourself consider the idea that it's all about it being easier for you.