Why would you remove the outliers? There is information in the sample distribution, and if you are removing everything outside 3sigma (or even 6sigma) you are

Why would you remove the outliers? There is information in the sample distribution, and if you are removing everything outside 3sigma (or even 6sigma) you are squashing the data. A high level of wealth comes with disproportionate political power. One shouldn't disregard this aspect and confine the discussion to most people having a fairly comfortable life.