The information provided on the main site is supposed to be FOR the community
...says you. The owner of a website can do whatever they like with their webservers (law permitting). It is not for you to allocate bits of the mIRC webservers for use in different ways, that is left to Khaled's discretion.
Raising money by donating registration of mIRC is one thing... a purely political message is another...
Whoever posted it truely believes that this protest will help save the lives of many innocent people in Iraq, so in their mind it will be a "moral duty" to get as many people to notice the protest as possible, and therefore hopefully get more people to go (which is, after all, the point of a mass protest).