The thing nobodies mentioned in the article is that these types of barriers are for ingress and egress, and aren't largely practical for pedestrian spaces like

The thing nobodies mentioned in the article is that these types of barriers are for ingress and egress, and aren't largely practical for pedestrian spaces like San Francisco's embarcadero or a large park. In my opinion bollards still largely win. Ease of construction, omnidirectional impact, and no compromise in devastating stopping power. They're also capable of being aesthetic.