If it hadn't been for international travel its unlikely we would have had this pandemic at all.
[1] https://sg.news.yahoo.com/coronavirus-hong-kong-health-exper...
> I had assumed that they were allowed entry
So instead of waiting a few weeks until international travel is allowed again, the author just went ahead and booked a non-essential flight and then wrote an article in the Spectator complaining about how he wasn't allowed.