The British have never been asked about immigration and a significant number oppose and do not support what is happening.
What can be done about this avoidable danger to our society ? The long term solution, like that to many societal problems, is to stop voting for soft-touch Tory, Labour, Lib Dem and Green election candidates. Make it your New Year’s resolution to only vote for patriotic candidates in future, who will stand up for British values and protect British people.
Personally I do not like people being killed, even when they are doing wicked things to other people. I just cannot find it in me to be pleased.