This is true, and I used to be one of these people too. As a well-informed citizen, I knew that Social Security was unsustainable, that life expectancies were increasing, that fewer workers would be supporting more retirees in the future, and in general, that the program was facing a demographic timebomb that would cause it to go bankrupt within a couple of decades.

This was back in the mid-90s, and for some reason I took an interest in finding out more. So I wrote off for a copy of the trustees report, read up on tax policy and demographic projections, pored through various analyses, and — to my surprise — learned that the problem was either (a) fairly modest and quite solvable or (b) not a problem at all.

Not sure which part is hard to understand.

Also, still not sure how taking out part of contibutions helps to "save" it since we're apparently in crisis mode already.
Wanna see bigger crisis - see Medicare.