Your argument is a bit stretched. Women had and have a principal role in catholicism, the fact that cannot be priest is not that important or seen as discrimination.
Just declaring the discrimination to be "not that important" is quite typical then (as it does not affect you) and well, my catholic aunt would disagree, but she is not important.
May I ask, what the principal role of women is in catholocism, besides being good mothers?
Maybe the OP's "not that important" was an unfortunate way to put it.
I think the answers you ask for are in Ordinatio Sacerdotalis[0]
[0] https://www.vatican.va/content/john-paul-ii/en/apost_letters...
> 34 Women[a] should remain silent in the churches. They are not allowed to speak, but must be in submission, as the law says. 35 If they want to inquire about something, they should ask their own husbands at home; for it is disgraceful for a woman to speak in the church.[b]
Kind of hard to believe people are ok with this now or were ever ok with this.
Says who, exactly?