Plenty of data available on improved air quality and all the socio and economic benefits that go with that.As far as I can tell, most Londoners support ULEZ as well with air quality significantly improving.
Their dislike for him is very much driven by racism. I doubt most could even tell you which of his policies they dislike
Or you can look at a poorly filmed tiktok from TruePatriotUncle
Two sides to this argument
