[throwhauser]

If a lockdown and travel restrictions, with limited duration, could have contained the spread of COVID or some other disease, I don't think it's an unreasonable impingement on civil liberties. Practically speaking a few weeks of restrictions every few decades shouldn't be problematic, or at least much less problematic than something like wartime restrictions.

Of course the value of any lockdown policy is contingent on the practical ability to correctly assess the threat of a new disease early enough that such short-duration, non-pharmaceutical interventions could work. But I don't think temporary restrictions are incompatible with basic civil liberties.

EDIT: Removed amateur-hour epidemiology, restated "philosophical" argument contingent on NPIs being effective.