Yeh it's a joke seeing as they are based here. And so many of us have to use Parcel Motel service to send things to Northern Ireland and have it driven down. Surely Amazon can make a little extra margin by doing that itself.
1. Get a pair of really giant hands
2. Repeat the bit "seeing as they are based here" and make really giant air quotes when you say "based"
3. Profit (without tax)