Because automatically being old and working in the government earns you 3 forms of revenue. 1 Social Security Retirement. 2. Yearly Salary, 3 Bribery and insider trading revenues. They know what their doing when they give them selves a raise, but refuse to change the SS calculator to a calculation of what older people really spend, and inflation for cola should just reflect the inflation percentage in August. They really like to fu@k over the elderly and disabled citizens in America along with the veterans who paid into the system more than they wanted to.