The confusion with the EU travel bans was that it seemed somewhat arbitrary, allowing UK etc. It was also announced somewhat ambiguously, where some people thought it included shutting down cargo shipments
This border closure is also different in that both sides have negotiated a mutual agreement
That said, yes, we should realize how much perspectives are shifting with each passing week. Ideally we'd try learn from Europe's hindsight rather than blame their rate of infection on greeting rituals