For me I'd agree, I don't know any swans fans personally.
But there will be many fans between here and Swansea in towns that have decent fan bases for both clubs. It's banter of course but I'd imagine going into work Monday won't be pleasant for them.
It's a more painful version of the West brom (add in few other similar performances) humiliation, part because its Swansea, part because although we at times don't resort to hoofing we are still extremely limited.