Ok, lets imagine you are in this examples below and what you will do:

1. You live in London and your parents in Brazil. What can you do about this? Use your lovely mIRC to see them. Why not MSN? No, you like mIRC not MSN.

2. You have a girlfriend in Brazil. What can you do? Chat with her in the mIRC and see her too. Great isnt?And the missing goes..

3. Your great friend from school that you dont see more than 10 years. Why not chat with him and look his family? And his little baby?

Oh webcam can be really awesome too, cant?
Yes, you are just "imagining" this but you can be surely that a lot of people in the world love this 3 examples and would be very pleased to use mIRC not MSN.