All these fields have that problem. There are people who are great at aping the signals (and even beating publication metrics) but really don't know anything. When they show up on a job, they get put into a PM (or actual management) role to limit the damage they can do. They learn enough lingo to be able to convince 90% of people they know what they're talking about (congrats on being in that other 10%, though) and will move up forever. Meanwhile, people who actually know their shit are usually too busy actually being smart to play the games necessary to get themselves hired in a hyper-competitive job market. So it goes.