Cycle-lanes are either under-engineered, consisting of nothing except paint; or over-engineered, with raised kerbs, bollards, contraflow lanes and complicated chicanes.
If its just paint then its likely to be in the wrong place, such as too close to the kerb at junctions placing cyclists in the HGV kill zone or directly along side a line of parked cars in the door zone.
If its the kerb and bollard sort then it's cost a lot of money, reduced the available width of the road for all users and added extra hazards.
Councils should be prevented from producing these travesties and with a bit of luck getting sued might help here.