Not to mention those pesky Legionnaires breakouts, of decades ago. That did it, for us.
And, having to be stuck on a floating Petri dish, for days/weeks, seeing the same people at every meal.
Just not an appetizing lifestyle, for us. Others can certainly have at. Shot Passports, and all.
“seeing the same people at every meal.”
That depends on which dining option you choose. There are many choices and hardly any passengers opt for fixed seating.
We love cruising, but I just shot an email off to Princess to remove us from their list for deals, schedules, etc. We were at their highest loyalty level. But ... NO VACCINE!