That's prestige as in your boss says, "Okay, you published in a prestigious journal, which means you must be doing very good work -- which I can't judge easily

That's prestige as in your boss says, "Okay, you published in a prestigious journal, which means you must be doing very good work -- which I can't judge easily -- so we're not going to fire you." Prestige is how scientists can be evaluated by people who are not part of the same very narrow speciality. Scientists who don't get prestige don't get to be scientists very long.