Earlier quoted context omitted.
They were trying to incite a moral revolution within the Catholic Church to conform to their own moral standards, but the Catholic Church is not a democracy, the morals and rules are not decided by the collective members of the Catholic Church, which is what makes this move downright unethical.
The rules are pretty arbitrary, and decided by councils of Bishops though. Trying to influence them, trying to bring the church out of the dark ages, can be seen by some to be laudable.
The rules are not arbitrary. Things like the requirement to go to Mass on Sunday are man-made rules, but made by those with authority, and for very good well-thought-out reason. Regardless of whether you agree that their authority is valid, it's not arbitrary in the least.
And others are immutable laws of existence, like the fact that it is an impossibility for women to be ordained. It's like wanting to change the quantity of 3 (not the symbol but the actual number) to be 4. It's just simply impossible. These laws are not arbitrary either, they're solidly based in logical reasoning of philosophy and theology.