Crime for one. I do not feel safe in London anymore and purposely stay away. Decline in West end shopping - e.g Oxford St and its American candy stores. I used to work there in the 90s and it's completely different now. Not completely khans fault, but what has he done to help?
Pressing on with ULEZ expansion is another, and yes I know he inherited it from Boris.
He also has a face you want to slap.