The comment mentioned Facebook but that doesn't mean you should compare Facebook salaries in San Jose to non-Facebook salaries in Dallas.

Compare Facebook salaries in San Jose to Facebook salaries in Dallas, that would be a fair comparison. Compare median salaries in San Jose to median salaries in Dallas, that would be a fair comparison.

Compare Facebook salaries in San Jose to median salaries in Dallas, that is not a fair comparison and you know that, you are wasting my time by making me type it out for you, you know full well that that is not a fair comparison.