I seem to recall a TON of issues in the old location.

Anyone remember 2.0 Titan HM runs.... So many people lagged so bad they couldn't do the encounter without being knocked off the platform. So 6 geared people with good connections just started selling it. Canada isn't exactly a good location for the servers either.

It's probably just a routing problem, not the location. They just need to work on the route. They could have old legacy equipment at the old location that's still being talked to. Might get better with time.