Having been the owner of a debt collection company, there is always something you can do, providing the complainant wishes to again involves expenses and drawn out court proceedings. Though usually the county court judges are more 'compliant' these days
Personally I would have taken a different coarse of action which may or may not involved bituminous liquids and or possibly (not) avian off casts

The bottom line is sly pricks are out and about and are brazen enough not to worry whether you will or will not take any action other than insurance company claim(s)