How old a tool is has nothing to do with how good it is - we use simple machines and screws and wheels and multi decade old technologies like the internet all the time. Just pick the right tool for the job and keep inventing new ones to expand the opportunity set.
containment is a very ineffective tool, as is the wooden cart wheel. The fact that we don't have a more effective response other than containment should be extremely worrying. What if this was a more dangerous terrorist bioattack? These questions will rise up soon after this initial shock has passed. Unfortunately, fear seems to work better as a motivation for scientific progress
