Hans, I'm not sure who the "flawed loonies" are that you refer to. VirginMedia don't employ anyone to design routers. They pay Netgear to rebrand their models and use those. Are you suggesting that VirginMedia fire Netgear?
There is no problem with these routers that does not already exist in most of them in that keeping the default password on any supplied equipment is a ridiculous idea. It's not all that long ago that the default password on all NTL ( who are now VirginMedia) came with a router/modem password which was "changeme".
I changed my passwords and those of my family the day they were installed.
As I read above. The Router is not at fault here and I'd go further and say the company are not at fault either. This is most definitely a user issue.