Come again?
Anyway, the Romans weren't all that great (apart from the sanitation, the medicine, education, wine, public order, irrigation, roads, a fresh water system and public health). The Saxons were not too bad either (at least they weren't Normans). Just the next wave of immigrants who have shaped the British Isles.
Just imagine what Stig would have made of all of the different ethnic groups that have come and gone since his time.