We're just going to have to agree to disagree. You're set on placing a huge amount of blame on one little girl and insisting she should have known better, and I stand firm in believing that more than one person held the blame for the course of events. And I still stand on my view that there are different forms of strength, and not all of them involve fighting (sword or no sword).
And I just want to add that the reason Loras might have been "rude" is because
SPOILERSPOILER_SHOW
he just lost the love of his life, and has to pretend like Margaery is in greater mourning than himself.
As for Tywin, he pretty was pretty specific about how now that
SPOILERSPOILER_SHOW
Ned's dead
SPOILERSPOILER_SHOW
sending Ned to the Wall instead.