Trap, neuter Release Guru admits results don't work quickly?

Assuming this is really a quote from Dr. Julie Levy my question is how many hundreds of thousands or millions of our native birds, mammals, amphibians, reptiles, and fish have the re-abandoned feral domestic cats of Operation Catnip disemboweled and devoured while their members cooed over the cute little fuzzie wuzzies they'd (humanely) saved? Edited, I would LOVE to see quotes of this admission appear all over the Internet(s).The quote is also in National Geographic.

'In a study conducted by Levy over an 11-year period, she found the cats lived an average of 7 years after being spayed and brought back to their territory.

" It's become a double-edged sword, because we're happy for the cats that they're living life and in good health," Levy said. " But it also means that we can't expect our neuter programs to work really quickly."'