They do indeed.
The Aussie's, in particular, are very vocal about the poor state of the copper - even more so than we are. Up until now, I've not seen any reason for them being more vocal about it - it has been an entirely subjective opinion.
However, this story makes for interesting reading:
On the other side, I read something that mentions that the typical D-side cable is 0.64mm, so making VDSL range better than here - probably 30% better.