I already showed how attacking an aggressor didn't bother her beforehand. Sure a retcon may come that justifies it. One that could further vilify Mags and make her look more sympathetic. But I prefer it this way. Many retcons treat SA Magneto that Claremont carefully established as actual madman as it was just Magneto in his right mind. All of them seemed to miss the point.
In any way, as the saying goes, "a good story doesn't tell you what to think (and feel), it just makes you think (and feel)" (or something like that, I'm paraphrasing). So your interpretation is as valid as mine, I guess we'll just have to agree to disagree