A decorative or delineating bollard will not stop an out of control car. These bollards are usually dyno bolted into concrete and simply shear in the event of a crash.
Delineating bollard Shears in event of a crash
They are not safety bollards and are not designed to stop an out of control vehicle. Putting them around dining areas and other public places does not protect the public.
Energy Absorbing Bollards are designed to absorb the incoming impact and save lives. Crash tested to AS/NZ 3845 standard, they protect the occupants of the vehicle and are a benchmark for road barriers.