A more subtle interpretation, and one that I expect accounts for at least some of the people in this category, is that high existential risk makes it more likely that relatively nearby aliens exist but will never reach the point where they can contact us.
A more subtle interpretation, and one that I expect accounts for at least some of the people in this category, is that high existential risk makes it more likely that relatively nearby aliens exist but will never reach the point where they can contact us.