not saying its a bad idea, but most people forget that mIRC's primary purpose is as a simple text based chat client. scripting is almost an after thought.
I'm sure when Khaled decided that mIRC needed scripting functions (or that was his main goal) i'm sure he never imagined that it would become so popular and used for everything.
mIRC script is overused. Too many people try to use it for things it just wasn't designed for, like replacing winamp, and then complain when it won't work as seamlessly as winamp.

mIRC is an IRC client, not your email program/web browser/mp3 player/filesharing program/msn client or god knows what else people try to use it for.