If you think the dress is immodest, why did you post pictures?
As Father Chazal said, this is a matter of liberalization.
He pointed out that many of the French women think the American women are "too modest."
Now why would they be so bold to venture that in front of a priest, unless liberal priests are encouraging them in it?
When judging what is happening to the SSPX look at deeds, not words.
Sometimes they say things that give insight into what they're really thinking, but if we want to judge where they are headed, it's best to look at their deeds. Their deeds are difficult to interpret charitably, and that's an understatement.