Because we're governed by numpties whether Labour or conservative, problems are envisaged when it just needs clarity of thought and purpose.
It's an old fashioned word "deterrent" viz
https://www.theguardian.com/society...lies-should-lose-council-homes-urges-minister
From the article ..........Supt Nick Davies, the police commander in an area of north London in which at least 14 gangs reportedly operate, has said the power to threaten whole families in which a single member is linked to gangs “seems to be a particularly effective strategy in changing the behaviour” of the gang members. In an interview with the Sunday Times earlier this month, he insisted the “threshold for eviction is high”.