I think there should be another badge created named
Dominator, this would be used when a person dominates a particular tag. The particular metric used to determine that could go many ways but a one idea would be if that person meet the following criteria:
- He is the leader in overall number of points for badge
- His overall number of points is greater than the sum of the next 5 runner-ups.
As an example take a look at the stats for ironpython. You can see that Dino Viehland is dominating that tag! Even though he is crushing everyone else in that category his overall number of points is less than 1500, so evidently he is kind of a specialist and should be recognized further for his contributions in that area.
Here are a couple other examples