Voter behaviour has been so consistent. For my entire life, voters’ stated preferences has been for immigration to be dramatically lower and for the pace of demographic change to slow dramatically. In top of that, voters’ revealed preferences, shown through large scale ‘white-flight’, has suggested the same*.
*Even among white liberals moving out of places like inner London for *cough* ‘better schools’.
I don’t think most people have quite grasped the scale and pace of demographic change taking place. A change that people were never consulted on and voted against at every opportunity since it became apparent.