As the newspaper coverage of this report shows, people tend to focus not on the good news - the costs that are capped - but on the bad - the costs below the cap or so-called "hotel costs" which are not covered by the cap.
It is not yet clear which child-related benefits would be covered by any cap and the BBC understands the plan would not come into effect until after the next general election - scheduled for 2015.
The ABI's Stephen Gay said it was "vital that people clearly understand the cap and what costs are covered, and a national awareness campaign will be needed to make this happen".
I've looked too many parents in the eye who say, our children have these chronic diseases and we found out that our insurance only covered us up to a certain amount and then they hit a cap, and afterwards we had to hold bake sales and our neighbors had to raise money just to make sure that our kids would live.