it isn't immoral (moral = what's the current stance of mainstream society), but it is unethical.
In a society where people are used to being forbidden to give bread to a starving child, giving bread you'd otherwise throw away to that child instead could well be immoral.
So only software which allows you to act ethically is ethical - and that's free software. Even better is free software under strong copyleft licenses like the GPL, because that protects our right to act ethically for any future versions of the software.
Legitimate doesn't mean "not contrary to existing law". Even in countries where the police is allowed to torture people, torture is illegitimate. At least that's my understanding. It means that something is wrong and should be forbidden.
I believe that people have the right to make unfree software (people also have the right to do tv-shows like "popstars"). I don't think anyone should use that software, though.
I can't force people to adher to my ethics without acting against my ethics myself. But I can try to convince them that my understanding of ethics is right.
In many cases yes. But it depends on the case.
If I had to develop unfree software to earn enough to live a more or less comforting life, I'd likely choose to do so. That's why I fight now, so I can earn money ethically later on. Or at least enable my children to do so (more detailed in german).
The European Copyright directive threatens online communication in Europe.
But thanks to massive shared action earlier this year, the European parliament can still prevent the problems. For each of the articles there are proposals which fix them. The parliamentarians (MEPs) just have to vote for them. And since they are under massive pressure from large media companies, that went as far as defaming those who took action as fake people, the MEPs need to hear your voice to know that your are real.
If you care about the future of the Internet in the EU, please Call your MEPs.