The quick choice might be a choice-overload avoidance strategy

Making a choice quickly might appear effortless, but research that measured cardiovascular responses in the moment of making a choice, rather than after-the-fact, suggests that the apparent swift certainty might instead be a defense from having to think too deeply about the choices being presented to them.

source https://www.sciencedaily.com/releases/2021/02/210203144521.htm