That's ridiculous that the same has happened to you. Have you thought about complaining through consumer protection agencies?
Not really, though I would have been really flying on my broomstick if they insisted I pay for the repairs on a fairly new bag. I read on here a while ago that they now try to sell the leather corners as a $450 upcharge.
I like the style of my monogram St. Louis PM but Goyard has the poorest quality of all of my bags. They really don't care and that's why my next similar bag will be Faure le Page. They use a much thicker canvas and the leather handles are stitched more securely like the LV Neverfull. I tell that my monogram is not going to last forever... My Goyard is becoming my beater bag since I will likely have to throw it away at some point. That wasn't my intention when I bought it in Paris.