There is a pattern of integration for new arrivals. They most likely arrive in a state of distress or confusion, stripped abruptly from their worlds with disregard to convenience. Overtime confusion leads to discomfort which eventually leads to a certain disconnect. Problems become hidden under the comfortable haze that is ignorance.
Most importantly, it seems people forget that the dead are dead;no matter whether they're from the past or 'alive' in all but heartbeat. In the end, the dead here are exactly what they are -- imprints of what once was.
Don't forget they're gone.