Yes very common actually. Getting your wisdom teeth extracted at ~16 is also extremely common - a sort of rite of passage.
> That sounds massively excessive for what usually is just pulling a teeth out.
So with above in mind, the wisdom teeth are typically still inside the jaw's bone at that age so extraction is a full on surgery at that point. Drilling through bone and then the tooth is not for the feint of heart - so that's why it's so common to do general.
It does raise the question. Should wisdom teeth be extracted so early when it's not truly necessary yet?
Personally, having lived abroad now where a large percentage of people around me still have their wisdom teeth - I've seen the pain and problems having wisdom teeth can have and how expensive it is if you do have a problem. Doesn't seem worth not extracting at a younger age when you have "more freedom".