"Raising the retirement age amounts to an across-the-board cut in benefits, regardless of whether a worker files for Social Security before, upon, or after reaching the full retirement age." Paul N. Van de Water and Kathy Ruffing, Center on Budget and Policy Priorities.
"[R]aising the full retirement age is nothing more than a benefit cut on future retirees." Sean Williams, The Motley Fool.
"Raising the full retirement age may sound innocuous. But it is nothing more than a benefit cut, and one that puts low-paid workers at risk." Alicia H. Munnell, director of the Center for Retirement Research at Boston College, writing at MarketWatch.
And these are just the top three search-engine results.