As an experienced software developer, I have learned to detest magic strings.

My problem is that it is such a long time since I have used them, I've forgotten most of the reasons why. As a result, I'm having trouble explaining why they're a problem to my less experienced colleagues.

What objective reasons are there for avoiding them? What problems do they cause?

As an experienced software developer, I have learned to avoid magic strings.

My problem is that it is such a long time since I have used them, I've forgotten most of the reasons why. As a result, I'm having trouble explaining why they're a problem to my less experienced colleagues.

What objective reasons are there for avoiding them? What problems do they cause?

As an experienced software developer, I have learned to detest magic strings. But, I'm having trouble explaining why they're a problem to my less experienced colleagues. What arguments can I use to persuade my juniors that they're a bad idea?

As an experienced software developer, I have learned to detest magic strings.

My problem is that it is such a long time since I have used them, I've forgotten most of the reasons why. As a result, I'm having trouble explaining why they're a problem to my less experienced colleagues. 

What objective reasons are there for avoiding them? What problems do they cause?