"While Cisco seems bent to always underestimate the complexity and nuance of physical security"
From speaking with them at this show and on previous occasions, it is actually worse than that. The typical Cisco thought process is that bad cameras or controllers are not a problem, because the value is in their integration with the network, other Cisco products, etc.
The problem, of course, is this is like a chef who thinks they can cook a great meal with spam and rotten eggs. You might be a great chef but the ingredients play a critical role in the final meal.