Sturdy wisdom teeth were important millions of years ago, as the other teeth were worn down more than now. Luckily we have a diet that doesn’t wear as much on our teeth today, but that might also cause pain and problems with the wisdom teeth. A wisdom tooth can in our day be more of a hassle than it is useful.
Beverages with a pH below 4-4,5 are considered acidic beverages, and can erode the teeth's enamel, making the tooth exposed and more prone to damage or decay. Check the list of "bad guys" in beverages in regards to acid damage, and what to do to avoid it.