The advice is excessively cautious. Reading the “expert” views you might conclude that vaccines are useless. And then we will wonder why people are vaccine hesitant?

Source: Is It Ethical To Travel Internationally Before The World Is Vaccinated? | HuffPost Life

One expert notes we are likely to see post-pandemic, the greatest boom in international travel in world history. They did not go into it here, but as I have written previously, expect higher prices, higher fees (like carbon fees), more restrictions (too many travelers), and in the interim, more demand than supply for things like airline seats.