Nyumba Kumi not effective in Urban Areas ?

Nyumba Kumi community security in Kenya is an approach about helping to make sustainable improvements to people’s grassroots experiences of safety and security.  Both about the end state – where communities feel safe and secure – and the process by which communities are helped to identify and address their own security needs. Nyumbi Kumi approach on security was to tackle a range of security problems from gender-based violence and crime to a lack of trust between communities and security providers, inter-ethnic tensions or weapons proliferation so forth ......Has this been achieved from your grass root neighborhood experience ?